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  | isbn    = 0891810617
 
  | isbn    = 0891810617
 
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The energy supplied by flowing water has been used by humans since shortly before the start of the Christian era: the [[Wikipedia:Water_wheel| waterwheel]], the [[Wikipedia:Watermill|geared water mill]], and the [[Wikipedia:Watermill#History|Vitruvian mill]] received increased use as civilization developed in the Mediterranean region.
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The energy supplied by flowing water has been used by humans since shortly before the start of the Christian [[era]]: the [[Wikipedia:Water_wheel| waterwheel]], the [[Wikipedia:Watermill|geared water mill]], and the [[Wikipedia:Watermill#History|Vitruvian mill]] received increased use as civilization developed in the Mediterranean region.
    
[[file:Uglich hydroelectric power plant, 2010.jpg|thumb|400px|Uglich hydroelectric power plant, Russia. Courtesy [https://commons.wikimedia.org/wiki/File:Uglich_hydroelectric_power_plant,_2010.jpg Wikimedia Commons].]]
 
[[file:Uglich hydroelectric power plant, 2010.jpg|thumb|400px|Uglich hydroelectric power plant, Russia. Courtesy [https://commons.wikimedia.org/wiki/File:Uglich_hydroelectric_power_plant,_2010.jpg Wikimedia Commons].]]

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