What Is Liquid Air and Where Is It Used?
What Is Liquid Air and Where Is It Used? Liquid air is ordinary air—a mixture of oxygen and nitrogen—compressed until it forms a liquid. When the pressure on the liquid...
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What Is Tarmac?
What Is Tarmac? Tarmac is a hard black material used for roads, parade grounds or anywhere that a hard, even and durable surface is needed. It is a mixture of tar...
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What Is Glass Made From?
What Is Glass Made From? Glass is made naturally from a fusion of silica (sand), soda and lime. This fusion can be achieved merely by lightning striking in a place...
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Why Does an Automobile Have a Carburetor?
Why Does an Automobile Have a Carburetor? An automobile is driven by an internal combustion engine which will work properly only if the right amounts of petrol and air...
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What Is Antifreeze?
Antifreeze is a freeze preventative used in internal combustion engines. The purpose of antifreeze is to prevent a rigid enclosure from undergoing catastrophic...
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