<b>Hydraulic Ram pumps</b>
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* [http://www.youtube.com/watch?v=0ovPSSOs76U Local Hydraulic Ram pump produced by AID Foundation, Philippines]
* [http://www.youtube.com/watch?v=zIJoowE2tz0 Installation of Hydraulic Ram pumps in Afghanistan by AID Foundation, Philippines]
* [http://www.youtube.com/watch?v=u2nGlnMNXrw Ram pump produced byR.A. Initiatives, Philippines]
== External links ==
* [[http://en.wikipedia.org/wiki/Ram_pump|General explanation on wikipedia]]
* [[http://www.ashdenawards.org/winners/aidfoundation|Article on the AID Foundation hydraulic ram, which won the Ashden Award in 2007]]
* [[http://www.clemson.edu/irrig/Equip/ram.htm|Low cost self made pump]]
* [[http://www.judyofthewoods.net/ram_pump.html|another low tech pump design]]