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An Action Against Hunger staff member in Kenya, David Githiri, giving a brief presentation on how something as simple as a Bio-Sand filter can transform dirty and unhealthy water into clear and healthy water. A Bio-Sand filter is made with only cement, rocks, and sand. Assembled , this is a very practical way of providing clean water to areas that have limited water access.
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by
Action Against Hunger USA
on Jun 07,2009
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