Changes

Rope pump

161 bytes added, 18:04, 26 August 2011

→‎External links: added relevant RWSN field note

* [[Solution_of_the_week_7|Akvo solution of the week 7]]

* [[Solution_of_the_week_9|Akvo solution of the week 9]]

* [http://www.rwsn.ch/documentation/prcollector.2009-04-05.2482958002/skatdocumentation.2011-07-01.0268979788/file 'Low Cost Handpumps' RWSN Field Note 2011-3]

 

==References==

<references/>

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