Cotton, also known as vegetable wool, is a major source of apparel
fiber. Celebrated for its excellent absorbency, durability, and
intrinsic softness, cotton accounts for over 50% of all clothing
produced worldwide. This makes cotton the most widely-used clothing
fiber.
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The fire in a power station is used to heat water, creating steam that drives turbines. The turbines then spin an electric generator to produce electricity. Fire is also used to provide mechanical work directly, in both external and internal combustion engines.
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Current causes several observable effects, which historically were the
means of recognising its presence. That water could be decomposed by the
current from a voltaic pile was discovered by Nicholson and Carlisle in 1800, a process now known as electrolysis.