Up to 70 percent of the Earth surface is covered by water, which is important against all creatures. These water changes state and circulates throughout the time between the world and the continuous surface, called the cycle of water. The water is moving so much and has accumulated energy is known, this energy has been used for hundreds of years, for example, using a rotating turbine. The current release of the turbine to rotate power generators for hydro power plant to produce electricity.
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