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Elephant pump

9 bytes added, 22:28, 6 September 2013
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[[Image:elephant pump.jpg|thumb|right|250px|Photo: [http://www.globalgiving.co.uk/photo/PIC10242/elephant-pump-at-salima-malawi-busy-elephant-pump-used/ Global Giving]]]
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The Elephant Pump, designed by Pump Aid based on a 3,000-year-old Chinese design, is built from rope, a plastic pipe, some rubber washers, and a winding wheel. The name "Elephant Pump" refers to the device's strength, shape, and reliability. The pump can lift water from depths of 50 meters (160 ft), and can produce 1 litre (0.26 US gal) of water per second.
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