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 Nigeria Schoolgirl pee power energy generator - uses just pee to generate e |
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日付: 02/04/2014 23:14 - によって: bambang - 94 ビュー - カテゴリ: さまざまな
http://bitly.com/1nNFGhb\r\n\r\n/\r\n\r\nThis is a new system designed by 4 schoolgirls from Nigeria
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日本の 
