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Biosand filter
Revision as of 13:29, 18 June 2008 by
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Revision as of 13:29, 18 June 2008 by
Cama58
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talk
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contribs
)
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diff
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← Older revision
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Latest revision
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diff
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Movie
Health and filters [
http://www.youtube.com/watch?v=LPAWuws7qMM&feature=related
Demo
www.youtube.com/watch?v=9Cj4yO4nLLY&feature=related
www.youtube.com/watch?v=aLKwH68LjnM
Ghana
www.youtube.com/watch?v=4sebVBgBLKY
Zambia
www.youtube.com/watch?v=f5htXA1OVio&feature=related
External links
Organisation
http://biosandfilter.org/biosandfilter/
Last edited on 14 April 2009, at 23:32