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Uploaded by USAIDElSalvador on Sep 13, 2011
The U.S. Agency for International Development (USAID) supports improved waste water analysis in Central America to improve water quality for people across the region.Versión en español: http://www.youtube.com/watch?v=ppYXPbHDD0cVisit http://elsalvador.usaid.gov to find out more about our programs in Central America and El Salvador
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