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 Nigeria Schoolgirl pee power energy generator - uses just pee to generate e |
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日付: 30/12/2012 15:48 - によって: bambang - 665 ビュー - カテゴリ: さまざまな
http://www.overunity.com/13101/urine-powered-generator-from-africa/\n\n\nThis is a new system designed by 4 schoolgirls from Nigeria
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日本の 
