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Solution of the week 12

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Hydraulic rams in the Philippines
The local NGO [http://www.aidfi.org/default.aspx Alternative Indigenous Development Foundation Inc. (AIDFI)], led by Dutch-born engineer Auke Idzenga, has developed an innovative hydraulic ram pump which can be made locally. It has just two sets of spare parts, both of which are simple and available locally - door hinges and check valves made from used car tires. After some training, the pump can be maintained at community level. In the last ten years, AIDFI has installed 195 of these ram pumps in 128 communities, providing over 38,400 people with access to clean water as well as irrigating large areas of land. The success didn't go unnoticed. In 2007, the AIDFI hydraulic ram pump won the prestigious [http://www.ashdenawards.org/winners/aidfoundation Ashden Award] (presented by Al Gore and Prince Charles), and in 2008 the pump was chosen as one of three nominees out of 800 projects for the European Energy Globe Award.
[[Image:wassen.jpg|thumb|right|200px|Having ample water in the village means that washing can be done close to the home, saving a lot of time.]]
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