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Concrete Biosand Filter

4 bytes added, 04:05, 26 May 2013

→‎Manuals, videos, and links

|{{#ev:youtube|9Cj4yO4nLLY|200|auto|<center>Biosand demo <br>by WOH Meyc</center>}}

|{{#ev:youtube|f5htXA1OVio|200|auto|<center>BioSand water purification <br>filter in Lusaka, Zambia</center>}}

|{{#ev:youtube|zI7vQP18nZo|200|auto|<center>Interview with Biosand Filter<br> (BSF) local entrepreneur <br>Mr. NarayanPandey <br> Pandey from Rupandehi, Nepal}}

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