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12:54, 24 December 2009 [[Image:akkerman.jpg|thumb|right|300px|A women using her water storage tank in Guinnee-Bissau. Photo: Paul Akkerman]]
==History and social context==
==Suitable conditions ==
==Technical specification==
====Operation====
====Maintenance====
====Manufacturing ====
==Cost==
==Country experiences==
==Manuals==
==Movies==
==External links==
==References==