How to drill a clean water well | ||||||||
film video internet Jan 2022 ; Durée: 9 min. ![]() Ed. Feedback Madagascar - Fort William Téléchargeable chez l'éditeur ![]() Abstract: Boreholes are drilled using a variety of techniques including Jetting and Rota-sludge. The video below shows the drilling process from start to finish. As well as drilling and installing a borehole, it is also important to make a sanitary closure area around it so that animals cannot enter, and the borehole and water remain clean and undamaged.
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