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Biosand filter

45 bytes added, 16:56, 25 June 2008
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[[Image:Biosand_filter_icon.png|right]] == Movie ==
* Health and filters [http://www.youtube.com/watch?v=LPAWuws7qMM&feature=related
* Demo [http://www.youtube.com/watch?v=9Cj4yO4nLLY&feature=related www.youtube.com/watch?v=9Cj4yO4nLLY&feature=related ]
* Zambia [http://www.youtube.com/watch?v=f5htXA1OVio&feature=related www.youtube.com/watch?v=f5htXA1OVio&feature=related ]
== External links ==
* Organisation [http://biosandfilter.org/biosandfilter/ http://biosandfilter.org/biosandfilter/ ]
Akvopedia-spade, akvouser, administrator
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