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Recent questions in Natural

Which animal has longest lifespan?
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List. At least 4 countries have largest forest cover
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Define and different scholars what to saying about consciousnes.
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which country has the most rich in minerals?
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Who owned the National Geography Television ?
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How much would the sea level increase if all ice on the planet melted?
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Is starch carbohydrate protein or lipid
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this is all about coffee, and which country produces more in the African continent and grows the most where?
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define and brief description about an activated charcoal. what purpose to used for an activated charcoal.
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Just to tell its benefit
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Can anyone solve this question for me?What is f(x) if f'(x) =f(x+1)?
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Effects of melting parameters and quartz purity on silica glass crucible produced by arc method We have investigated the effect of hydroxyl (OH) content in fused silica crucible on the scintillation and optical properties of the CsI single crystal, but not limited to, grown by Bridgman technique. For the purpose, 0.1 mol% Tl doped CsI single crystals were grown in crucibles made from fused silica of different grades with OH content varying from 20 ppm to 200 ppm. Silica glass of crucibles was characterized by FTIR and UV–VIS-NIR spectroscopy for the estimation of OH content. Grown crystals were tested for their scintillation performance and a correlation between OH content in silica glass and crystal quality is established. The possibility of ‘OH’ out-diffusion from silica crucible into the melt at higher temperature was further established by temperature dependent study of outgassing from silica crucible by residual gas analyzer (RGA). Further, an optimized process for silica crucible annealing to remove OH (<20 ppm) is proposed to achieve excellent crystal quality of a 5.6% energy resolution at 662 keV without any co-doping in Tl doped CsI. In photovoltaic industry, silica crucible has an important influence on the quality of single crystal silicon. To obtain a silica glass crucible with large diameter, high uniformity, and low bubble content, two series of crucibles were prepared by the arc melting method, one with various melting parameters (initial power, melting power, and melting time) and crucible sizes, and the other with various high purity quartz crucible. The bubbles inside the crucible wall and pores on the inner surface were all measured using a polarised optical microscope and a portable microscope. The results show that all crucibles have a bubble aggregation area in their inner surface (0–0.4 mm), in which the density and size of bubbles are affected by melting time, melting power, and the distance between the crucible and the graphite electrode. The uniformity of the crucible decreases as the crucible diameter increases (16–28 inches), and the crucible is relatively stable when the initial power is below 400 kW. In final, a silica crucible with large size (diameter of 28 inches) and low bubble content on inner surface (∼50% reduction than that of traditional crucibles) was successfully prepared, which is of great value to the photovoltaic industry. Currently, the primary materials for fabrication of solar cells are polycrystalline silicon and monocrystalline silicon, with a market share greater than 85% [1]. Solar cells with higher efficiency can be fabricated from monocrystalline silicon, which is usually obtained using the Czochralski (Cz) method [2, 3]. The silica crucibles used in the Cz method are typically made from high-purity amorphous silica. In general, these crucibles consist of two different layers: a transparent layer (Almost bubble free) and a bubble-containing layer (BC layer) [4]. In the outer BC layer, the material contains many bubbles, which decrease transparency. The composition of the gas inside the bubbles remains a matter of debate. It is most likely air, perhaps containing traces of carbon, or water vapour [5]. The inner transparent layer is almost completely transparent, and because this layer is in direct contact with the silicon melt, it is important to keep it free from bubbles throughout the Cz process to ensure that fewer bubbles are released into the melt and subsequently into the silicon ingot. The silica crucible, which is in direct contact with liquid silicon, has an important impact on the quality of monocrystalline silicon, and silicon wafers with pinholes or dislocations cannot be used for solar-cell fabrication [6]. The industry has therefore devoted extensive efforts to preventing bubbles from entering the melt during the phase of crystal growth [4]. The high-purity quartz sand used to prepare glass crucibles contains various amounts of mineral inclusions (mica, feldspar, etc) and fluid inclusions [7, 8], which can form bubbles at high temperatures. In addition, other gases can affect the quality of monocrystalline silicon. Gas bubbles of SiO and CO can be produced in the melt–crucible interface [9, 10], forming small gas bubbles in the crystal or leading to the generation of dislocations inside the crystal [11]. Argon may also enter the silicon ingot as a protective gas [12]. Reducing the release of bubbles from the transparent layer into the melt during the Cz process can reduce the number of defects in the structure of monocrystalline silicon [13]. In fact, many experiments have been carried out to improve the properties of polycrystalline silicon by improving the purity of fused silica crucibles, but few studies have been reported in the field of single-crystal silicon [14–16]. Therefore, one of the purposes of this experiment is to reduce the bubble content in the transparent layer of crucibles by reducing the impurity element content of quartz.
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Solar street lighting is a unique opportunity for sustainable recovery In response to the economic fallout from COVID-19, the European Union has formulated a major recovery plan for the continent with a key focus on adapting to the digital age and investing in cleaner and more resilient technologies for the future. In the U.S., the 2021 American Jobs Plan aims to steer $2 trillion into productivity and long-term growth, including a strong focus on building resilient and climate-friendly infrastructure. With economic and climate resilience plans taking a more concrete shape across the globe, Signify believes that solutions such as solar lighting pave the way for countries to build back better. According to Allied Market Research the global market solar energy was $52.5 billion in 2018 and is set to grow to $223.3 billion by 2026, vastly accelerating the scale of renewables. One of the fastest growing solar street light. "Solar street lighting technology has come on leaps and bounds in recent years and is fully aligned with the goals of EU and U.S clean energy and economic stimulus initiatives. Just 15 streetlights can save enough electricity to power a home for a year," said Harry Verhaar, global head of government and public affairs at Signify. "Being a digital technology, it can be connected to sensors and be controlled remotely, enabling forward-thinking municipalities to leapfrog to solar and reap the benefits of the digital age." President Joe Biden’s administration already has proposed $621 billion of additional investment in transportation infrastructure, with $20 billion earmarked to improve road safety and $174 billion for electric vehicles. A sizeable chunk of the latter would be spent on grant and incentive programs to build a national network of 500,000 electric vehicle charging stations by 2030. Signify advocates specifically for the wide adoption of solar and all in one solar street light which will not only help improve road safety, but also pave the way to lower emissions and eliminate the need for extra power stations to power the street lamps. This is particularly useful in more remote areas where existing infrastructure is minimal. With the strain taken off power stations, excess capacity could be diverted towards supporting charging stations for electric vehicles. Greek experience Solar is the ideal technology for serving far-flung communities with intermittent power supply or coverage. For example, in 2020, Signify installed solar streetlights on the Greek island of Leipsoi in areas lacking full electricity coverage including a playground, allowing the community to feel safer. A total of 28 autonomous Philips SunStay luminaires were used, each combining a solar panel, an LED light, a charge controller and a battery in one housing unit. The lights also contained an infrared motion sensor which detects movement and alters brightness accordingly, increasing energy efficiency and minimizing light pollution. "As we have many hours of sunshine throughout the year this is a very effective and functional solution for those areas on our island that are not connected to the power grid," said Fotis Mangos, mayor of Leipsoi. "The lights have such an aesthetic design that they seamlessly blend in with our island’s natural landscape."
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On the Move: Unpacking the Challenges and Opportunities of Electric Vehicles SINGAPORE - More than 600 electric vehicle (EV) chargers will be installed at some 200 public carparks in HDB estates, industrial estates and the Central Business District over the next 12 months. The first of these car chargers are expected to be installed by the end of this year. By the third quarter of next year, there will be 210 charging points in the central region, 50 in the north, 100 in the north-east, 120 in the east and 140 in the west. The Urban Redevelopment Authority (URA) and the Land Transport Authority (LTA) said on Friday (Sept 3) that a consortium comprising ComfortDelGro Engineering and Engie South East Asia has been awarded a tender to set up EV charging points in selected carparks in the central, east and west regions. Another consortium comprising Primech A&P, Charge+, Sunseap Group and Oyika has been awarded a tender to install the charging infrastructure in carparks in the north and north-east regions. The tenders, which form a pilot tender put out in November last year, are the first steps towards a national target of 40,000 charging points in public carparks by 2030. URA and LTA said they wanted to ensure that the pilot tender for the charging points was awarded to operators with quality charging services, financially sustainable business models and competitive charging prices. "As such, agencies adopted a price-quality method to assess and select proposals that would provide the best value for both consumers and the authorities," said URA and LTA. They said the consortiums led by ComfortDelGro and Primech A&P have offered competitive charging rates and a sustainable business model. URA and LTA added that these two consortiums have also committed to delivering a complete suite of services, including the installation, operation and maintenance of EV charging infrastructure, among other proposals. They said the consortium will pay the Government concession fees ranging between $0.108/kWh and $0.154/kWh for the right to deploy charging points. ComfortDelGro and Engie said in a joint statement on Friday that they won the tender to install 479 of the 632 metal car charger in the pilot roll-out. They said the chargers installed by them will comprise 192 22kW AC chargers, 279 7kW AC chargers and 8 50kW DC chargers.
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Rising Prices for PE, PVC; Others Flat to Down The trajectory of prices of the five volume commodity PVC resin powder was upward through September; but starting last month, a reversal was underway for most of these resins, possibly excepting PE and PVC. Factors in the continued flat-to-downward trajectory for PP, PS and PET included expectations of improved supply availability, lower feedstock prices, slowed seasonal demand, and loss of export opportunities due to higher prices. Factors maintaining strong pricing for PE and PVC, at least in the short term, included strong demand and tight monomer and polymer supplies brought on by planned and unplanned production shutdowns. These are the views of purchasing consultants from calcium carbide method pvc resin, Inc. (RTi), senior editors from PetroChemWire (PCW), and CEO Michael Greenberg of The Plastics Exchange. Polyethylene prices moved up 5¢/lb in September, capping the fourth consecutive month of price hikes, bringing the total to an unprecedented 19¢/lb. Suppliers also came out with a fifth increase—another 5¢/lb—for October, owing primarily to continued strong demand and tight supplies, made tighter following precautionary shutdowns for Hurricane Laura in late August. Mike Burns, RTi’s v.p. of PE markets, held that PE prices would stay firm, with the October hike—if not implemented right away—hanging over discussions with customers for the remainder of the year, due to sustained demand and tight inventories. PCW’s senior editor David Barry said he would not be surprised if suppliers stuck to their increases, but expected processors would have better leverage this month and in December in the negotiation of 2021 contracts. With the exception of HDPE blow molding grades, where a real shortage occurred, processors were able to get what they needed, but went through it faster than anticipated, noted Burns. PE Price Trends November 2020 Both Burns and Barry ventured that a slow recovery of tight suspension method pvc resin inventories was already underway at the start of the fourth quarter, which ought to help ease price pressure in first quarter of 2021. Going into October, The Plastic Exchange’s Greenberg reported that while demand for spot PE had been good, processors generally opted for just single truckloads, and a whisper of uncertainty had crept into the market. “The fourth quarter often brings softer demand and could provide the market an opportunity to rebalance especially when downed plants return fully online and new reactors begin production,” he commented. PP Prices Up, Then Flat to Down Polypropylene prices moved up 3¢/lb in September, despite stability in propylene monomer contract prices, which remained at August’s 36¢/lb level. Moreover, PP suppliers announced another 3¢/lb “profit-margin increase” for October, a move that looked to be at least partially successful due to tight supply and some rebound in domestic demand, according to Scott Newell, RTi’s v.p. of PP markets, as well as PCW’s Barry, and The Plastic Exchange’s Greenberg. All three saw the recent upward trajectory halting, if not reversing. Newell ventured that suppliers’ attempted margin expansions in September and October would erode between mid-month and December. “Suppliers have had leverage all this time owing to unplanned and planned monomer and PP outages, and low capacity utilization overall (around 83%). But the longer buyers can wait to order for 2021, the better. I expect quite a few pounds of PP and monomer capacity to be brought on stream in that time frame.” PCW’s Barry reported that while suppliers were seeking to boost their margins further in October, there were already signs that high PP prices were crimping demand for price-sensitive products such as PP tubs and totes, which depend heavily on “big-box” retail channels. He cited factors such as slower demand, rising PP imports and improving operating rates in the fourth quarter that could bring a turnabout in the PP supply situation in late November into December.
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A review of a machine design of chocolate extrusion based co-rotating twin screw extruder Based on innovation and competitive market for food industry, there are several food products which have been designed to attract customer. Since there is USD 39,431 millions of chocolate sales in 2018, USA [1], chocolate product shapes have been developed based on manufacturing process. This paper presents a review process of a cocoa machine design of chocolate extrusion based co-rotating twin screw extruder. A property of suitable chocolate for extruder was established. The pros and cons of machine extruder for food processing including, a screw extruder design were exposed. Since there were problems in the chocolate extruder, the process parameters such as barrel temperatures, feed rate, screw speed, motor load and melt pressure were established. These parameters would be applied to design screw extruder for chocolate processing. Demand is growing for higher-quality chocolate, alongside more sustainable manufacturing processes. But current chocolate production faces problems keeping up. The different production stages rely on their own specific cocoa equipment, components can be difficult to clean and potentially harmful metal particles can be released into finished products. EU support helped the BAT project optimise the chocolate manufacturing process with a versatile ‘one-stop shop’ machine which, as well as being easy to clean, avoids the need for producers to run a set of expensive, bulky and energy-intensive machines. The new refining technology There are typically around seven stages to chocolate manufacturing involving three to five dedicated machines. First, beans are toasted before husking to remove the shell surrounding beans. The resulting cocoa goes through a pre-refiner before passing through a refiner to create a smoother consistency. Next, the ingredients enter a separator which ensures no grains are too large before going through a further refining stage. The last stage is conching in which the acidity of the cocoa is removed. The BAT solution combines the pre-refining, refining and conching stages into a single step, reducing the number of machines needed for the process to a single machine. Importantly, the machinery is designed to be easy to clean and does not release metal into the product. Crucially, it can also refine both products containing water (mix hydrated) and those without anhydrous, something that is not possible with current technology. The icing on the cake is that it comes at a comparatively low purchase price. The team built a prototype BAT refining head, to carry out tests. “The refining head is the processing step on which our innovation is based. We had a number of challenges to overcome with these tests, such as keeping temperature and quality constant across the whole product batch. Despite the complexity we managed to solve these with our design,” says Stefano Marello, project coordinator. Opportunities for smaller businesses The chocolate and cocoa market is a fast-evolving market. According to recent research, the demand for chocolate in Europe is predicted to grow by a compound annual growth rate of 3 %, between 2018 and 2022. While Europe is the world’s largest producer, the bulk of this production rests with six big multinationals.
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Why Hot Foil Stamping Helps Packaging To Shine Differentiation. It’s what every brand owner wants for their product, but in increasingly crowded markets, it is becoming harder and harder to achieve. Brand owners know that packaging is the key differentiator on the shelf, and special finishing techniques – such hot foil stamping and thermal embossing – can elevate their product compared to others, and provide consumers with a visual shortcut to the quality of what’s inside. Hot foil stamping is the process of using heat and pressure to apply metallic foil or holograms to materials such as light papers, carton board, laminated board, plastics and corrugated board. “In a world where we have very mature markets with limited opportunity for major growth, there is no question that products need to differentiate themselves somehow,” said Jacques Reymond, head of product marketing Business Unit Sheet-fed at BOBST. “Hot foil stamping helps to reinforce the value to the product and is often associated with premium products. Ultimately, the box is a marketing instrument, and by using hot foil stamping, you can convey the quality of what it inside.” The term can encompass simple flat foil stamping, deep embossing or embossing combined with foil stamping, hologram and holographic foil application and foil stamping combined with micro & structural embossing. Traditionally, gold or silver are the most common colors used for foiling, but a wide range of colored foils are available. Application across industries Hot foil stamping is used across a wide range of industry sectors, but most notably in food and drink (particularly confectionary such as premium chocolate, wine and liquor bottles, and other premium foods), cosmetics, electronics, banknotes, business cards, greeting cards and art work. There is no doubt about the value of embellishments like cold stamping foil. According to a study by the Foil & Specialty Effects Association (FSEA), hot foil stamping and other similar enhancements on product packaging can help attract consumer attention faster and keep attention longer than ordinary packaging. In another study of disposable single-serve coffee packaging, the packaging with gold foil attracted the study participants’ attention 2.5 times faster than the control packaging. It’s not just about looking good. Hot foil stamping is also used for its anti-counterfeiting properties, particularly in pharmaceuticals, and in technology such as smart phones.
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Sandblasting Air-abrasion (sandblasting) techniques have long been employed in restorative dentistry to enhance the mechanical adhesion between metals and adhesive resins. Sandblasting uses a high-speed stream of aluminum oxide particles propelled by compressed air to remove unfavorable oxides and contaminants, increase surface energy, bonding surface area, and surface roughness. Sandblasting in orthodontics has been implemented to improve the bond strength of new brackets/bands or to remove adhesive remnants from debonded brackets prior to rebonding.71 However, in vivo data from a randomized trial indicate that no significant difference exists in the bond failure rates of sandblasted and non-sandblasted brackets or in the ARI of debonded brackets.72 Finally, sandblaster has also been implemented directly on the tooth enamel surface as an alternative or adjunct to conventional acid-etching techniques, but as no randomized trial exists on this subject, the efficacy cannot be assessed in an evidence-based way at the present time. Grit-blasting or sandblasting, if available, may also be used. A specially-trained operator is needed to produce uniformity within pieces by sand blasting tank. A clean, uniform-size grit is essential for proper surface preparation with sandblasting. This may be a problem when treating GPR surfaces, and for that reason this technique is rarely used. After sanding or sandblasting, the surface is sometimes wiped with solvent such as MEK, acetone, toluene, trichloroethylene, Freon® TF, or Freon® TMC, depending on the known mold lubricants. In some cases, a solvent is used before and after abrading the surface. If water-break-free surfaces are not obtained, the procedure should be repeated. Glass-reinforced plastic laminates prepared for bonding by hand- and machine-sanding can be stored to 30 days at 23°C and 50% RH with no adverse effect on bond strength. Machine sanding gave slightly better results than hand sanding. Tear ply and sanding gave about the same results, but the tear-ply method has less risk of surface contamination. Variations in bond strength are more likely to occur as a result of changes in sanding techniques than by the difference in methods. In general, bond quality diminished with increased surface exposure time (SET). The best overall adhesive evaluated was epoxy film adhesive, which was found to be the least sensitive to the method of surface preparation. In general, the best result was obtained when GPR laminates were bonded within four hours after sanding. If absolutely necessary, bonding can be carried out after periods of time up to 14 days SET with only moderate strength loss. Brass is an alloy of copper and zinc. Sandblasting or other mechanical means of surface preparation may be used. Shot peening (which is a similar process to sandblasting, but has more controlled peening power, intensity, and direction) is a cold working process in which the surface of a part is bombarded with small spherical media called shot. Each piece of shot striking the material acts as a tiny hammer, imparting to the surface small indentations or dimples. In order for a dimple to be created, the surface fibers of the material must be yielded in tension. Below the surface, the fibers try to restore the surface to its original shape, thereby producing below the dimple a hemisphere of cold-worked material highly stressed in compression.
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Ball Valve - How They Work A ball valve is a shut off valve that controls the flow of a liquid or gas by means of a rotary ball having a bore. By rotating the ball a quarter turn (90 degrees) around its axis, the medium can flow through or is blocked. They are characterized by a long service life and provide a reliable sealing over the life span, even when the valve is not in use for a long time. As a result, they are more popular as a shut off valve then for example the gate valve. For a complete comparison, read our gate valve vs ball valve article. Moreover, they are more resistant against contaminated media than most other types of valves. In special versions, ball valves are also used as a control valve. This application is less common due to the relatively limited accuracy of controlling the flow rate in comparison with other types of control valves. However, the valve also offers some advantages here. For example, it still ensures a reliable sealing, even in the case of dirty media. Figure 1 shows a sectional view of a ball valve. Standard floating ball valves consist of the housing, seats, ball and lever for ball rotation. They include valves with two, three and four ports which can be female or male threaded or a combination of those. Threaded valves are most common and come in many varieties: with approvals for specific media or applications, mini ball valves, angled ball valves, ISO-top ball valves, with an integrated strainer or a bleed point and the list goes on. They have a wide range of options and a large operating range for pressure and temperature. For more information on a threaded connection, read our trunnion ball valve connection types article. Hydraulic Hydraulic ball valves are specially designed for hydraulic and heating systems due to their high operating pressure rating and hydraulic and heating oil resistance. These valves are made of either steel or stainless steel. Besides these materials, the seats also make hydraulic valves suitable for high operating pressure. The seats of these valves are made of polyoxymethylene (POM), which is suitable for high pressure and low temperature applications. The maximum operating pressure of hydraulic ball valves goes above 500 bar while the maximum temperature goes up to 80°C. Flanged Flanged ball valves are characterized by their connection type. The ports are connected to a piping system via flanges that are usually designed in accordance with a certain standard. These valves provide a high flow rate since they typically have a full-bore design. When choosing a flanged ball valve, besides the pressure rating, you also have to check the flange compression class which indicates the highest pressure this connection type can withstand. These ball valves are designed with two, three or four ports, they can be approved for specific media, have an ISO-top and everything else a standard quarter turn valve could have. They are typically made out of stainless steel, steel, or cast iron.
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Air Fryer If you are a family of two, you can make easy meals with a small air fryer. While there are many different sizes of air fryers available in the market, for a family of two, an air fryer from 2 to 4 quarts will be ideal. As these air fryers are small in size, they do not take much space on the kitchen shelf, and they cook ample food for two family members. You can cook a variety of meals in these air fryers without causing any food wastage. In this article, we will take a look at some of the popular air fryers that are ideal for a family of two. We will also compare each air fryer’s features along with the pros and cons of each air fryer. GoWISE is a well-known brand for air fryers of all sizes. You can find the GoWISE USA 3.7 quart air fryer ideal for the needs of a small family. If there are only two people in the family, this air fryer will suit their needs to cook quick meals of all kinds. The air fryer takes up little space on the kitchen counter and comes with a range of features that make air frying food fun and easy. There are eight presets on the 2.4l air fryer, and you can choose the dish you want to make from the buttons on the panel of the air fryer. The temperature and time settings are also available on the panel. The air fryer is ideal for cooking everything from chicken to french fries, fish, steak, pork, shrimp etc. The food is healthy to eat as it uses very little to no oil, and you can cook in the air fryer without the need to mess with oil or flames. The NUWAVE BRIO is a 3-Quart air fryer that makes the ideal amount of food for two people. If you have a small family, you can get this air fryer to cook food in small batches. The air fryer also has an air-flow design that makes delicious food quickly and efficiently. Another interesting feature is the Flavor-Infusion technology that allows you to cook food without needing to defrost it before putting it in the air fryer. The air fryer has an extensive cooking range so that you can cook all kinds of food at temperatures ranging from 100F to 400F. You can also choose from different cooking options depending on the dish that you want to cook. Whether you want to air fry, roast, grill, bake or reheat food, you can do it all. This is a small-sized air fryer that does not take too much space in the kitchen. You can also keep this 2.6l air fryer in a dorm room, a van, or an RV as needed. If you are looking for a small, powerful, and efficient air fryer, this is the machine you want to pick.
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How to choose the right retractable monitor? A retractable LCD monitor for use in aircraft and the like is supplied with power from a power supply that is secured in a fixed off-monitor location on the monitor's housing. The power supply also provides power for a motor assembly that controls a pivoting of the monitor between open and retracted positions. This configuration allows for a compact monitor assembly that can be stowed screen up within a restricted space housing, thus protecting the display from damage by passengers and presenting a pleasing appearance, while still pivoting the monitor by more than 90° to its open position. The motor that is used to pivot the monitor to the open position remains coupled to the monitor pivot mechanism during the retraction cycle, providing a back-emf that resists a spring force used to retract the monitor, and thereby cushion its retraction. A game machine has a display part connected so as to freely enable storage within a seat on which a player sits. The game machine has a display part for showing game images generated according to a game program and player input, an input reception part for receiving input from the player, a control part for executing the game program according to predetermined external input, including input from the input reception part, a seat part for enabling the player to sit, a storage part for storing the display part formed in the seat part, and a connection rod for connecting the display part to the storage part such as to freely enable storage thereof, of which one end is fixed to the seat part and the other end is connected to the display part. Arthur Holm is launching its first 24-in 4K motorized retractable monitor during ISE 2018, held next month in Amsterdam. The DB2 has 20° of adjustable inclination, the housing is made from solid aluminium and the operation button is placed on the top of the screen. The monitor provides a 2mm. double-sided anti-reflective black edged glass. The motorized retractable monitor with fixed tilt is configurable by way of a secondary LCD 2.2-in display, and by remote control, being able to be configurable and operational without having to remove the monitor from the furniture. When the display is connected to the AH ERT interface, the intuitive addressing system facilitates the address configuration easier due to a single accessible push button. The unit provides embedded speed and protection pre-sets to restore factory values and an auto-check diagnostic and internal protection functions as well as an auto calibration mode for mechanical speeds and safety parameters .It is firmware upgradeable through a USB port. A safety system detects obstructions (in this eventuality the unit stops). The adjustable mechanical parameters are operational via AHnet or ISD for calibration and mechanical adjustments. Adjustable parameters of brightness, contrast and backlight are available via RS- 422. An auto calibration mode is available for mechanical speeds and safety parameters. So, your screen, cheap or expensive, if it is non-tensioned (cheap ones aren't) will likely have or develop waves.
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When you think of healthcare supplies, what comes to mind first? A stethoscope to hear a heartbeat. A syringe to give a needed shot. Ahhhhhh, the “open wide” tongue depressor! But what about the Medical Tapes? It may not pop to mind first, but this versatile tool is incredibly important in the medical field. There are many varieties from which to choose and many companies that convert medical adhesive tape for wound care. Medical Adhesive Tape 101 Medical adhesive tape, or surgical tape, is used to attach Medical Bandages, gauze, and other dressings to skin around wounds. Most adhesive tapes are a type of pressure-sensitive tape; i.e., tape that sticks and stays in place with firm pressure. There’s no need for heat activation or a solvent. Medical adhesive tape can be made from various materials, but most are breathable for comfort and ease of use. Types of Medical Adhesive Tape In the medical field, different types of adhesive Wound Dressings are used for different things. Some are made of softer materials, such as cotton; others are more elastic to support flexibility. Here are some of the most common types of medical adhesive tape and how they differ. Micropore Paper Tape — Commonly used to secure bandages and dressings to skin without leaving a sticky residue, micropore paper tape is hypoallergenic and can be used long-term, without fear of skin irritation. Its adhesive sticks to the skin, underlying tape, or directly to dressing materials. Tiny holes, or micropores, in the tape, make it breathable (speeding up healing), and it’s easy to tear (ideal for emergency situations). On the ambulance, this was the one that always ran out first, leaving a box full of useless, hard-to-tear tapes for the unlucky guy who got there last. When it comes to versatility, efficiency, and overall quality, few medical tapes outperform Medical Plasters. It is the strongest adhesive tape for skin that I have found. Sticks to anything: While it’s specifically designed for medical purposes, it will stick to anything. It needs to be applied dry, but it sticks through sweat, hair, and blood no problem. Waterproof: You can go swimming or take a shower and this medical tape will stay on. Made with pores: It is covered in a grid-like pattern of tiny holes that give it some unique properties. Sweat and body fluid will pass right through it without causing it to come off. Air can reach the skin underneath it. Its pores allow you to tear in a straight line both across and lengthwise in order to customize the width. Easy to tear: Unlike many cloth tapes, 3M Transpore rips easily using your fingers both horizontally and vertically. Strongest adhesive tape for skin: If you need to take it off, you don't necessarily want the strongest tape, but sometimes the strongest is the best. Surgical Care is an indispensable element of every home medicine cabinet. Measuring body temperature correctly greatly facilitates differential diagnoses and is a guide to taking antipyretics (substances that reduce fever). Cleaning Wipe is a convenient way to keep your house in tip-top shape. However, not all wipes are created equal. While some wipes are equipped to disinfect surfaces, others are only meant for cleaning. Keep in mind that doing the latter is more important than the former, because disinfecting surfaces should always be the last step in any cleaning routine,1 and it isn’t always necessary.
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Be it carry bags or otherwise, with the escalating concerns for the rapidly deteriorating environment, it has become almost our responsibility to switch over to more eco friendly life styles. One way that we can do so is by using more eco friendly products. Given the environmental hazards that the huge use of plastic bags cause there is no doubt that you could help in preventing this by using the very eco friendly Non Woven Bags and plastic bags. You would be aware that paper bags are environmentally friendly, so let us first try and understand what non woven bags are. Non Woven bags: What are they? According to Wikipedia Non-woven fabrics could broadly be defined as sheet or web structures bonded together by entangling fiber or filaments and also by perforating films. This is done mechanically, thermally or chemically. These types of fabrics are greatly being used in the manufacture of bags owing to their eco friendly properties. Let us now understand why Non Woven Flat Bags and paper bags are considered very environmentally friendly. Why they are environmentally friendly? It is now a fairly established fact that both paper bags as well Non Woven Tote Bags are very eco friendly. There are plenty of reasons for the same as well. They are recyclableThe first reason why non woven bags and paper bags are environmentally friendly is the fact that they are made from recycled materials. The percentage of such fabric of course varies depending on the strength needed. However since they are recyclable means that they cause little or no pollution and thus is great for our environment. You would know that a large number of both paper bags manufacturers as well as Non Woven Cooler Bags manufacturer have come up in recent times. So it must be your endeavor to support them so that we could move towards a better environment. The manufacturing process helps conserve natural resourcesThe manufacturing process of manufacturing paper bags and Non Woven Garment Bags is simple and is made from resources which are readily available and help to preserve both the natural resources as well as energy. All in all the paper bag manufacturers in Mumbai claims that it will cause less or little pollution which is very helpful to preserve our environment. Use helps to cut down on toxic wastesSince paper bags and non woven bags are eco friendly they leave no toxic wastes which are very harmful for our environment as a whole. Global warming, air and water pollution are just someof the adverse impacts that plastic bag production and usagecauses. Plastics you must realize are not bio-degradable & are not only choking our environment & but also irreparably damaging the sea & marine life. Thus Reusable paper and Non Woven Fabric bags are the best alternative to save our ailing environment. In conclusion we can indeed see that there is much need to protect our environment. Replacing the use of plastic bags with paper and non woven bags can be the best solution for the same. In the past couple of years, Drawstring Bags have become a trendy item because of their versatility and their customizability. They have a long and interesting history. In this article we’ll show you where you can purchase one or show you how to make your own drawstring bag. They come in several different materials, sizes, and you can use them for a variety of occasions. Drawstring bags or cinch bags have been in use for centuries. There are ancient Egyptian hieroglyphs depicting men with small pouches tied around their waists with a long cord. Even though they’ve been around for so long, they didn't begin to gain popularity until the 13th and 14th century. The first drawstring bag was an ancient cloth or leather pouch that men traditionally used to carry coins or their valuables.
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What is Titanium Metal? History Titanium metal, with the symbol Ti, is the ninth most abundant element in the earth‘s crust. It does not occur in large deposits, yet small amounts of titanium are found in almost every rock. Titanium is a shiny grey metal with a low corrosion rate and high strength; it is used for various applications. It was discovered by William Gregor, an English chemist and mineralogist, in 1791; he thought it was a compound. In 1795, he realized it was an independent element. Later, it was named by Martin Heinrich Klaproth, a German chemist, after the Titans of Greek Mythology. Periodic Placement Titanium Material is placed in D-Block in the periodic table as the first element. It is classified as a transition metal with the atomic number 22, which means it has 22 electrons and 22 protons; it has an atomic weight of 47.867 Daltons. Titanium belongs to period 4 and group 4 of the periodic table because of its electronic configuration. The last two electrons of titanium metal reside in the fourth orbital, making the configuration 1s2 2s2 2p6 3s2 3p6 3d2 4s2. This electronic configuration explains the chemical bonds of the element and some other properties. Occurrence Titanium Products constitute 0.44 percent of the earth‘s crust, and it is widely distributed. Ninety percent (90%) of the titanium occurs in the form of ilmenite minerals in the earth's crust. Ilmenite minerals are compounds of iron, titanium, and oxygen called iron titanium oxide with the symbol FeTiO3. The remaining amount of titanium is found in the form of anatase, perovskite, rutile, leucoxene, sphene, and other minerals. These minerals are found in the form of compounds in sand, rocks, soils, and clays. It can also be found elsewhere in nature: in plants, natural waters, animals, stars, and meteorites. Nickel Nickel (Ni) is a naturally occurring metallic chemical element. Its atomic number on the periodic table is 28 and its atomic weight is 58.71. Nickel is essential for healthy plant life. For that reason, it is found not only in rock, but also in most fruits, vegetables, nuts and the food products derived from them, like wine and chocolate. Because it is naturally occurring, it must be mined from deep within the earth instead of synthetically created in a lab. Called nickel ore, there are two main types of ore deposits: laterites, which are mainly composed of nickeliferous limonite and garnierite, and magmatic sulfide deposits, which are primarily composed of the ore mineral pentlandite. In general, nickel has a silvery-white color, high toughness, is ferromagnetic and has excellent resistance to corrosion and rust. Some of its additional beneficial properties include its malleability, ductility, alloy-ability and high heat resistance—it has a melting point of 1453 degrees Celsius. Applications Nickel Material is valued for its positive properties, detailed in the section above. It is used to make products and both decorative and functional coatings. It is also used extensively to make alloys, which are in turn used to make products of all kinds. Since nickel can be found in a wide range of metals, it is utilized in a correspondingly vast number of industries including currency and coinage, consumer products, healthcare, chemical, industrial, food and beverage, electronics, military, transport, aerospace, architecture and marine.
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There are many methods provided by manufacturers to facilitate Incubator self-decontamination. Three of the most common methods are: UV sterilization Moist heat sterilization Dry heat sterilization This article will examine these three types of sterilization in detail. 1. UV Sterilization DNA nucleotides harbor the kinds of conjugated bonds that absorb UV light. UV sterilization generates an antimicrobial effect by the damage it causes to a microorganism’s DNA when aromatic nucleotides absorb high energy photons. This can make UV sterilization an effective solution to reduce contamination in an incubator chamber. However, there are significant drawbacks. Your light source would need to have unrestricted access to all surfaces of the Multifunctional Incubator chamber, shelves, and shelf mounting hardware. Shadowed regions will not be decontaminated by UV light. Also, a common method for microorganisms to survive UV exposure is through enhanced DNA repair mechanisms. In this case, survivors of a UV cycle will be more likely to survive repeat treatments. Plus, UV light is generally not effective in destroying endospores. Microorganisms which survive the UV decontamination process will potentially have the opportunity to form monocultures and increase their likelihood to reach quorum. This is unless UV sterilization is combined with other methods of incubator decontamination, such as a tear-down and washing of all surfaces, a dispersed chemical treatment, or an effective high-heat cycle. 2. Moist Heat Sterilization Moist heat decontamination is often employed on incubators that are not designed to safely reach the high temperatures needed for an effective dry-heat sterilization regime. This may be due to a risk of damage to internal components or the risk of overheating the incubator’s outer body. Traditional Autoclaves operate by heating to ~121°C and applying elevated steam pressure to increase rates of thermal transmission to targeted contaminant organisms. A moist heat decontamination cycle performed above but close to 100°C and at ambient pressure is guaranteed to be less effective than an autoclave, and does not meet any medical organizational criteria for SAL6 sterilization. SAL6 represents a Sterility Assurance Level of 10-6 meaning you get a Log6 reduction of microorganisms. Interestingly, the archaea Geogemma barossii, better known as “Strain 121,” is a species of microorganism that has been shown to grow and reproduce successfully in a pressurized Horizontal Pressure Steam Sterilizer at 121°C. What are Drying Ovens Used for? Despite the fact that most people associate the word oven with the benefits of baking, industrial models are present in food manufacturing, pharmaceutical, and even in painting processes. The main job of an industrial Drying Oven is to remove moisture from substances or products. This means that it can be used for evaporation, incubation, sterilization, baking, and many other procedures. Keep in mind that industrial ovens vary in size, capacity, and shape, depending on what they are used for, so the perfect model will depend on the application it is given. Types of Industrial Drying Ovens Even though industrial Hot Air Drying Ovens share the same core concept, there are dozens of different types of technologies available. Industrial ovens vary in heating mechanisms, time and volume capacities, and other key elements, depending on your industry. Keep in mind that even if there isn’t a standard design that suits your operation, a custom industrial oven is a great way to significantly improve your factory’s efficiency. Conveyor Dryers Conveyor dryers are used in processes that require continuous production of small and medium-sized products. They also make a great choice if your factory employs automated mass production as they fit perfectly in most production lines. Vacuum Drying Oven These versatile machines are used mostly in engineering, research, and other industries that may require drying in a low-pressure environment. Vacuum Drying Ovens also minimize oxidation and may even include an automated digital interface for monitoring purposes. Convection Drying Ovens Convection drying ovens rely on high temperatures to gently accelerate the dehydration process. These pieces of equipment make a great choice for pre-heating, aging, baking, sterilization, and thermal storage. What is a Test Chamber? A Test Chamber is a managed and controlled environment used to test the endurance, stability, and practicality of equipment, products, and chemicals. They are a controlled enclosure that mimics the effects of environmental conditions that a product may encounter during its usage. Programmed test chambers create extreme temperature variations, moist or humid conditions, and radical altitude variances. Aside from environmental conditions, test chambers can be designed and set to push the limits of a product through the use of physical forces such as inertia, vibration, and destructive impact. The burst test, seen in this image, determines the amount of resistant pressure this sample of cardboard can endure before it fails, an example of the types of endurance testing performed in Scalable Test Chambers. Some of the other purposes for test chambers are: Prepping a product for additional testing Stand-alone testing for combinations of different materials Stress screening to help identify product issues while still at the prototype stage What are the Designs of Test Chambers? Walk-in Test Chamber designs vary depending on the types of test they perform, which can be very complex and complicated or extremely simple. They come in various sizes to fit the manufacturer and the desired conditions to be tested such as a bench top for testing small items and room size to fit a car. Though size and types of environments are a factor, modern test chambers have technological controls that can provide instantaneous data and read outs that give technicians the opportunity to adjust and change conditions in the middle of a process. In a steady test chamber, pictured below, a specific set of variables are programmed into the chamber and remain unchanged for extended periods.
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By sales and acclamation, history and mythology, the pickup truck is the most popular vehicle in America and has been for decades. We are told electric pickups will be the next big thing: The Tesla Cybertruck, the Ford F-150 Lightning and the GMC Hummer EV are online and on their way. But recall that GMC offered a full line of electric N-Series Light-Duty Trucks—“operated by Edison current”—in 1913. These were designed by John M. Lansden, who had run an electric car company in Newark, New Jersey, as early as 1904. Bought out by Edison himself in 1908, Lansden made electric ambulances and taxicabs, buses and brewery wagons. The company stumbled financially and Lansden left to run electric truck development for GMC. By 1911, there were eight models of heavy-duty commercial electric trucks available under GMC’s “Rapid” nameplate. The first truck ever powered by internal combustion was designed and built in 1896 by Gottlieb Daimler of Germany. It looked like a rear-engine hay wagon. The first American pickup trucks were homemade and came on the scene at almost the same moment as the car. Farmers built cargo boxes onto the rear end of their automobiles, especially after Henry Ford’s Model T arrived in 1908. A few planks of oak or hickory and some angle irons from the local blacksmith was all it took. By the end of World War I, demand for light trucks was soaring. Ransom E. Olds was building his REO Speedwagon, and Ford had launched a line of factory-made F-Series Medium-Duty Trucks. In 1918, Chevrolet started building factory pickups, and suddenly the light truck sales race was on. A federal report issued six years later showed a sharp decline in the number of farm horses, and their individual cash value. Horsepower now officially came from Detroit. For decades, a pickup was as simple as a shoe. Four wheels, an engine and a frame with a place to sit and a box to carry things. As humble as the folks who drove it. In John Steinbeck’s Grapes of Wrath, the Joads rode west out of the Dust Bowl looking for work in a homemade pickup truck, a cut-down 1926 Hudson Super Six sedan. “The house was dead, and the fields were dead; but GIGA-Series Heavy-Duty Trucks were the active thing, the living principle,” Steinbeck wrote. “The ancient Hudson, with bent and scarred radiator screen, with grease in dusty globules at the worn edges of every moving part, with hub caps gone and caps of red dust in their places—this was the new hearth, the living center of the family; half passenger car and half truck, high-sided and clumsy.” After World War II, with the arrival of prosperity and television and television advertising, the pickup became a vehicle for self-expression, an act of imagination owing as much to John Ford as to Henry Ford. The mythology of the West became the defining signifier of network TV schedules, from “Wagon Train” to “Gunsmoke” to “Bonanza,” and Crane Truck advertising was cowboys and big hats and big payloads, leather seating surfaces and rawboned ranch hands, Monument Valley and available power windows. Then the idea of the truck overtook the Semi-Trailer truck itself. Tow the camper, the boat, the trailer; carry the sheetrock and the prize bull; the turnips and the fly rods and the paneling and the lumber and the plumbing, sure, but the truck was really a mirror in which we saw ourselves. Look out for that one-ton load of cinderblocks! Truck commercials reached a postmodern perfection of self-reference when a Ford carried a Chevy up a mountain. Not all model lines would survive. The Luv and the Raider are gone, and the Rapid and the Reliance of a hundred years ago, too; the Honcho and the DeSoto, the Kaiser and the Fargo and the Travelette all gone with them. Even the Studebaker Champ, the most beautiful Special Purpose Trucks ever made, is left to us only as a glorious 1960s museum piece. Somehow “luxury trucks” came and went this century, the LT and the EXT unloved oxymorons, victims of cognitive dissonance. The letters and numbers kept climbing—the Cs, the Ds, the Fs, the 250s and the 2500s and 3500s, world without end, blurring into an alphabet of GT-Rs and R/Ts and SRTs, TRDs and SVTs and SSRs—until trucks got so tough the names became a warning, a threat: Ram. Raptor. Gladiator. Rampage! More than three million Pickup Trucks were sold in the United States last year. Farm trucks, ranch trucks, city trucks, country trucks. Trucks put to every purpose—or no purpose at all: hot rod trucks and monster trucks, stadium racers and salt flats streamliners. Lately, it seems they are sold into spotless suburban driveways and carry nothing heavier in the cargo bed than a yoga mat. The pickup truck is the rolling avatar of our national work ethic: forever ranching, forever farming, forever building the next America, the work as constant as the weather. And in the Pure Electric Truck, this country has stored its vast surplus of yippee-ki-yay since the late 1940s. Even empty, the pickup is filled with meaning, and in its skyrocketing expense and elaboration it embodies the tension between our humble pioneer ideals and our end-of-innocence decadence, our modesty and our vanity.
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It all started at a hackathon organised by THE Port at CERN’s IdeaSquare in 2014. The event combined technology and science to develop solutions to pressing humanitarian challenges, and it was here that the International Committee of the Red Cross (ICRC) challenged participants to improve the current Funeral Body Bags design. A deceased person’s body holds strong symbolism in various cultures, in relation to funerary customs, as it is used as a direct representation of the individual. Its absence, such as in disaster scenarios, may cause legal and sociocultural issues. This absence also creates uncertainty regarding the life status of their absent close one. Thus, the identification of bodies in forensic cases is considered extremely important in providing closure. Consequently, Mortuary Body Bags play a vital role in early coordination stages of disaster victim identification as it is a tool that allows for storage, isolation and transportation of the body of a deceased person. Since its inception, the standard body bag has been subject to minor modifications and so far has limited adaptability in forensic contexts. Particularly in unrefrigerated conditions, which is often the case in humanitarian settings. The request to redesign the Cadaver Body Bags came from the forensic unit of the ICRC, in order to improve the success rate of victim identification in natural disasters and war. The multidisciplinary team of individuals who met at CERN’s hackathon event has now expanded into an association with a full-scale project. The initial design was supported by the ICRC who encouraged the pursuit of the development of an improved prototype, working towards its industrial manufacturing. The design is a new forensic technology that improves the current standard body bag, while remaining affordable and functional, termed the Better Body Bag (BBB). The primary goal of the Better Body Bag is to delay decomposition and improve visual identification by influencing three key variables: Firstly, the better Emergency Body Bags can hold a vacuum. The mechanism that is used limits the body from interacting with an exterior environment, including oxygen, restricting aerobic bacterial proliferation or insects. This vacuum is easily created with the help of a standard hand pump that does not require electrical infrastructure. Secondly, it controls the temperature inside the bag by having an outer light-deflecting layer. Thirdly, it controls bodily fluids associated with decomposition by using a superabsorber pad, preventing any leaking in the rare event of a puncture. Additionally, it aims to improve the working conditions of humanitarian actors that manage the dead after catastrophes or armed conflicts. The bag has a closing mechanism that provides a hermetic seal, barrier to gases, odours and organisms that can emanate from inside the bag. An additional improvement of the BBB can be seen in its practicality in forensic procedures by supporting the handling, documentation, and identification of the deceased. A patented foil makes the bag 30% lighter than the existing model. Furthermore, this design decreases the likelihood of ruptures and punctures. Preliminary biological and load testing, undertaken by the forensic department of the International Committee of the Red Cross who have been financially supportive and to whom the first 100 prototype bags were provided, demonstrates that the bag successfully held a vacuum and slowed decomposition. A peer-reviewed research study is underway, in association with the Taphonomic Research in Anthropology: Centre for Experimental Studies of the University of Central Lancashire, to verify results and explore the full potential of the better body bag. The Taphonomic research will focus on molecular as well as whole body preservation in the new Medical Body Bags using three time interval points in two separate locations across two continents with differing temperature points (United Kingdom and Thailand). A future blogpost from us will provide further details on the process. Through this HIF-funded project, SSRa will now focus on industrial manufacturing of the Better Body Bag, where the first 10,000 bags deployed in the field will be specifically monitored by ICRC. Regular feedback and improvement circles will ensure optimal performance and usability in the real deployment conditions. We look forward to advancing in this project and sharing with you, in the form of blog posts, the reflections we make along the way.
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It is clear that packaging plays a large role in the perceived value of a product and as a whole, the packaging industry really hasn’t changed too much in the past years, compared to the constant innovations made in portable technology. With all the packaging and Color Box choices available in today’s market, it often becomes difficult to select the most appropriate packaging solution for your product. Let’s take a look at some of the different types of packaging options you can use to enhance your product & customer experience! Paperboard boxes Paperboard Gift Box is a paper-based material that is lightweight, yet strong. It can be easily cut and manipulated to create custom shapes and structures. These characteristics make it ideal to be used in personalized packaging. It is made by turning fibrous materials that come from wood or from recycled waste paper into pulp, and then bleaching it. Paperboard packaging comes in various grades, each suitable for different packaging requirements. SBS (or solid bleached sulfate) paperboard can be used for packing cosmetics, medicines, milk and juice, cosmetics, frozen food and more. Choosing kraft, or CUK (coated unbleached kraft) paperboard packaging is for those who prefer the natural and environmentally-friendly look of recycled paper, which can be used for similar packaging applications. Kraft is often seen to be less resistant to moisture, making it less suitable for food-related products, or frozen-goods packaging. With the right combination of design options, paperboard packaging can look high-end, without high-end pricing. Corrugated boxes Corrugated boxes simply refer to what is commonly known as: Cardboard. Corrugated boxes are the ones many probably consider as ‘cardboard’ as it produces the large shipping, shoe & storage boxes. What a lot of people do not realize is that corrugated boxes also come in different types depending on the durability and strength of the Food Packaging Box. Identifying a certain corrugated material, however, is easy. How do you determine the material? Through its corrugated medium (also known as fluting). Identifying a corrugated material is easy. It consists of 3 layers of paper, an outside liner, an inside liner and a corrugated medium (also known as fluting). The corrugated medium that gives it strength and rigidity. Rigid boxes I’m sure you’ve always wondered the type of box they used to package iPhones or those luxury retail products such as Rolex, Tiffany & Co and Marc Jacobs. You have a sense that it’s a type of cardboard but still wasn’t sure because of its durable and premium appearance. This type of cardboard material is called a rigid box. A rigid box is made out of a highly condensed paperboard that is 4 times thicker than the paperboard used in the construction of a standard folding carton. The easiest real-world example of rigid boxes are the Scodix Craft Boxes which holds Apple’s iPhones and iPads, which are 2 piece setup rigid boxes. Compared to paperboard and corrugated boxes, rigid boxes are definitely among the most expensive box styles. The rigid boxes usually do not require dies that are expensive or massive machinery and are often hand-made. Their non-collapsible nature also gives them a higher volume during shipping, which easily incurs higher shipping fees.
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Everyone who has hair, brushes their hair, though you may never have given much thought to the kind of brush you use. Using the right Hair Brush for your hair and your styling needs can make a difference in your hair’s health and appearance. The appropriate brush for someone with long, curly hair will be drastically different than the best brush for fine or thinning hair. Some brushes, like the round or vented kind, are best for styling, while others work to detangle, and some may even remedy static and frizz. Here we’ll cover different types of brushes and what they can do for your hair. Types of hairbrushes and combs There are so many different kinds of hairbrushes and combs available, it can be overwhelming to know which one is right for you. Depending on the type of hair you have, you may want to use a specialized brush. Wet hairbrush The original Wet and Dry Hair Brush is an affordable option. Its fine, soft bristles are strong enough to work through the toughest knots, and soft enough not to cause damage to wet hair. The American Academy of Dermatology Association warns against brushing wet hair because it’s more prone to breakage. However, if you have very textured or curly hair, brushing when wet is a good idea. They typically have heat-resistant bristles that won’t melt or break when blow-drying hair. Paddle brush The wide base of Paddle Hair Brush enables them to cover a lot of ground quickly while smoothing hair. They’re a great choice for people with long, straight hair. Vented brush A Vented Hair Brush is the best choice for quick blow drying soaking-wet hair. The vents allow hot air to flow through, reaching all layers of hair. Round brush Round Hair Brush is a good choice for blow-drying hair and styling loose waves. They’re fully circular, which makes it easier to blow the hair under, resulting in curls or waves (depending on the size of the brush).
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