The preferred solution was a tubewell: a simple, hardy, hand-operated pump that sucks water, through a pipe, from a shallow underground aquifer.
The preferred solution was a tubewell: a simple, hardy, hand-operated pump that sucks water, through a pipe, from a shallow underground aquifer.
较富裕的人可以自行负担费用,而许多较穷困的人家,只要透过非政府组织的简单贷款,也能够在自家庭院装起这种设备。