Transcripts for '9. How to do a Swirl and Dump - Biosand Filter Videos'
Transcripts for '9. How to do a Swirl and Dump - Biosand Filter Videos'
Transcripts for '9. How to do a Swirl and Dump - Biosand Filter Videos'
Transcripts for '9. How to do a Swirl and Dump - Biosand Filter Videos'
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Latin America
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Microsoft Excel Spreadsheet
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CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.
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This project is made possible by the generous support of the American people through the United States Agency for International Development (USAID). The contents are the responsibility of CAWST (Centre for Affordable Water and Sanitation Technology) and do not necessarily reflect the views of USAID or the United States Government.
