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What Do We Know So Far on Hair Straightening? Hair represents a valued aspect of human individuality. The possibility of having an easy to handle hairstyle and changing it from time to time promoted an increasing search for chemical hair…
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Impacts of food contact chemicals on human health Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of…
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How It Works: Gate Valves All valves are designed to stop, allow, or throttle the flow of a process fluid. Gate valves—one of the original valve designs—are ideally suited for on-off, primarily liquid, service. A gate valve functions by lifting a…
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Useful Refrigerator Parts and Accessories Go to the grocery store. Pay the bills. Make dinner. Pack lunch. As you busily go about your day and check things off your to-do list, you probably give little thought to your . But maybe you should. With…
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Nuts, bolts, screws, and washers This chapter starts with tips on drawing hexagon nuts and hex bolts and comprehensively covers, using illustrations, tables of size and explanations on usage, the majority of metric fixings and fasteners used in…
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What is a Switching Power Supply? AC/DC Switching Power Supply is designed for high efficiency and small size. They incorporate a switching regulator to convert electrical power efficiently. Switching DC power supplies regulate the output voltage…
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What are Wall Sockets? Wall Socket Receptacles are electrical fixtures within the home used to connect power cords to the home's electrical wiring system. Each wall socket, or electrical receptacle, features a female connector that is designed to…
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How to Choose Luggage, Packs and Bags Having the right type of Zipper Trolley Luggage, pack or bag for your travels can make packing up and hopping on a plane or hitting the road easier and less stressful. But with so many styles to choose from,…