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WATER POWER
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Artikel-Nr:
9786137814147
Seiten:
0
Beschreibung:
Hydropower, hydraulic power or water power is power that is derived from the force or energy of moving water, which may be harnessed for useful purposes. Prior to the development of electric power, hydropower was used for irrigation, and operation of various machines, such as watermills, textile machines, sawmills, dock cranes, and domestic lifts.Another method used a trompe to produce compressed air from falling water, which could then be used to power other machinery at a distance from the water.