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Rope pump
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05:09, 6 February 2008
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External links
* General info [http://www.ropepump.com www.ropepump.com]
* How to build [http://www.ropepumps.org www.ropepumps.org]
* Cambodia [http://www.ideas-at-work.org/IdeasRopePump.html]
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