Every 20 seconds, a person in the developing world – usually a child – dies from diseases caused by polluted drinking water. But this heart-breaking issue extends even to rich countries like Canada, where water conta - Potters - Document - PDFSEARCH.IO

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Date: 2013-02-27 13:28:56 Chemical engineering Potters For Peace Filtration Electronic filter Medical uses of silver Filter Air filter Ceramic water filter BioSand Filter Water filters Chemistry Technology		Every 20 seconds, a person in the developing world – usually a child – dies from diseases caused by polluted drinking water. But this heart-breaking issue extends even to rich countries like Canada, where water conta Add to Reading List Source URL: www.samaritanspurse.ca Download Document from Source Website File Size: 102,02 KB Share Document on Facebook

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