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Solution of the week 7

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→‎Links

* [[EMAS_pump|EMAS hand pump on Akvopedia]]

* [http://vimeo.com/8365884 Movie on Vimeo on how to make an EMAS hand pump]

* [http://www.rwsn.ch/prarticle.2005rural-10water-25supply.9856177177net/prarticle.2005-10-26.2582788867en/resources/prarticle.2008-12-04.2105225472details/prarticle.2009-02-06.9581575564 Article on 475 How Three Handpumps Revolutionised Rural Water Supply Network on Supplies: A brief history of the India Mark II/III, Afridev pumpand the Zimbabwe Bush Pump]

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