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  • Indian scientists develop unique low-cost solar water purifier

    Indian scientists develop unique low-cost solar water purifier

    New Delhi (ISW) - Availability of potable drinking water remains a challenge in rural areas in several parts of the country. Commercially available water filters are costly, need electricity to run and reverse osmosis (RO)-based purifiers waste a...

    9 July 2018 9:40 AM GMT
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