Fuel Fuel Fuel

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Fuel Fuel Fuel

Bài gửi  ronaldjjjnooo on Tue Nov 09, 2010 10:58 pm

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Fuel is any material that can be used to generate energy to produce mechanical work in a controlled manner.In other words,it is a substance that produces energy, mostly usable heat. Most fuels produce energy when they are burnt in air. The processes used to convert fuel into energy include chemical reactions, such as combustion, and nuclear reactions, such as nuclear fission or nuclear fusion. Fuels are also used in the cells of organisms in a process known as metabolism. Hydrocarbons are by far the most common source of fuel in current use, but many other substances can be used as well.

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