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Hydraulic Ram pump

92 bytes added, 09:14, 6 September 2010
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* [http://www.clemson.edu/irrig/Equip/ram.htm Low cost self-made pump], Clemson University.
* [http://www.judyofthewoods.net/ram_pump.html Another low-tech pump design], Judy of the Woods.
* [[Solution_of_the_week_12|Akvo solution of the week 12]]
==References==
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