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Drilling or digging

12 bytes added, 03:51, 29 May 2013
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<font size="4">Manual drilling links</font>
* VIDEO{|style="font-size: [http125%"|-|{{#ev://www.thewaterchannel.tv/en/videos/categories/viewvideo/889/groundwater/howyoutube|_lapu0LB-wM|200|auto|How to-professionalize-Professionalize the-manual-drilling-sector-<br>Manual Drilling Sector inAfrica 1}}|{{#ev:youtube|l-africa ftnqIpnJU|200|auto|How to Professionalize the <br>Manual Drilling Sector in Africa]. Produced by UNICEF.2}}|} 
* [http://www.rural-water-supply.net/en/resources/details/402 Human-Powered Drilling Technologies], Richard Carter, Cranfield University, 2005.
* [http://www.hydrology.nl/images/docs/ihp/nl/cop15/2_Richard_Taylor.pdf Groundwater and climate change in Africa: The Kampala Statement.] Richard Taylor, University College London (UK), IAH Commission of Groundwater & Climate Change.
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