Changes

===Pump links===

{{#ev:youtube|eC4Cy_mcL40|200|auto|<font size="2"><center>Smart Handpumps: remote <br>monitoring of handpumps</center></font>}}

* [http://docs.watsan.net/Downloaded_Files/PDF/Oyo-2006-Spare.pdf Spare Part Supplies for Handpumps in Africa]. This field note describes lessons drawn from a review of 25 studies conducted in 15 different countries that looked at handpump spare parts supply, particularly in rural areas of African and non-African countries. The research suggests a number of key factors that are necessary for successful and sustainable handpump spare part supply chains.