The most prevalent pumps within a construction site are centrifugal water pumps, used for moving water and other light liquid substances, and positive displacement pumps, used for thicker fluids, such ...
AllAfrica on MSN
Handpumps bring water to rural African communities, but many are broken - study models how best to maintain them
In rural sub-Saharan Africa, access to clean drinking water often depends on a simple technology: the handpump.These manually operated systems pump water out of the ground for more than 184 million ...
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