Changes

Biosand filter

159 bytes added, 16:08, 23 March 2009
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Added movie, external links to Samaritan's Purse Canada program/media
== Movie ==
* How the BioSand Filter Works [http://www.youtube.com/watch?v=hb0xf3mRbJM]
* 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 ]
* Organisation [http://www.cawst.org CAWST - Centre for Affordable Water and Sanitation Technology]
* Organisation [http://biosandfilter.org/biosandfilter/ http://biosandfilter.org/biosandfilter/]
* Organisation [http://turnonthetap.ca Samaritan's Purse Canada - Turn on the Tap]
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