Allen E. Comeskey & Stuart A. Smith 
Sustainable Wells [PDF ebook] 
Maintenance, Problem Prevention, and Rehabilitation

Soporte

No one has recorded when well digging started, but surely humans imitated elephants in digging holes in the sand to access cooler water that didn’t make the children sick. Eventually, humankind began to redesign, maintain, and repair the wells they constructed, but when wells became "commodities" in the twentieth century, this maintenance ethic was

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Idioma Inglés ● Formato PDF ● Páginas 334 ● ISBN 9780849375774 ● Editorial CRC Press ● Publicado 2009 ● Descargable 3 veces ● Divisa EUR ● ID 4111161 ● Protección de copia Adobe DRM
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