Hand Dug Wells and Their Construction | ||||||
manuel Jan 1999 ; 242 pages Aut. S.B. Watt & Brian Woods Ed. Practical Action - Rugby ; Isbn: 9780903031271 Téléchargeable sous format: PdF (13 860 ko) Téléchargeable chez l'éditeur Abstract: This highly readable book describes how to construct hand dug wells, and includes information with respect to simple water lifting devices such as the bucket and rope.
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