4
edits
Changes
→External links: Added link Demotech info
* How to build [http://www.ropepumps.org www.ropepumps.org]
* Cambodia http://www.ideas-at-work.org/IdeasRopePump.html
* [http://www.demotech.org/d-design/designA.php?d=43 Rope Pump info at Demotech]
