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Solution of the week 2

1 byte removed, 10:13, 8 December 2009

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*[[Treadle_pump|Akvopedia article on the Treadle pump]]

*[http://ide-india.org/ide/treadlepump.shtml Treadle Pump programme, IDE-India]

*[http://www.youtube.com/watch?v=KH2I2ZKD_98&feature=related">Treadle pumps in Uttar Pradesh, India, introduced by IDE-India]

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