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Quartz Glass What is Quartz Glass? Quartz is one of the most abundant and widely distributed minerals in nature. Quartz is the only stable polymorph of crystalline silica on the Earth's surface. It is found in all forms of rocks: igneous, metamorphic…
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What Is a Nebulizer? A Nebulizer changes medication from a liquid to a mist so you can inhale it into your lungs. Nebulizers come in the home (tabletop) and portable models. Home nebulizers are larger, and you have to plug them into an…
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USB-C explained: How to get the most from it (and why it keeps getting better) At the office, home or school, USB-C has arrived. We’ve got tips on how to take advantage of those new ports, along with a peek at the future of data transfer and video.…
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Selecting pipe and piping materials Steel Pipes Steel pipes are the most commonly used pipes in water supply systems. They are also used in pipelines for natural gas, and sewerage systems. Although comparatively expensive to other pipes, they hold the…
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The Rising Popularity of Safety Helmets?on the Jobsite Hard hats have?come a long way since shipbuilders would cover their hats with tar to create a layer of protection from tools and objects falling from ships.?Today, the hard hat has become an iconic…
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What are fishing traps WHAT IS TRAPPING? Fishing is one of the oldest ways by which people have fed themselves and their families. Except for gathering shellfish by hand and spearing fish (Figure 1), primitive trapping is probably the oldest…
