How to drill a clean water well
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film video internet Jan 2022 ; Durée: 9 min.
Ed. Feedback Madagascar - London
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.
Mots clefs: |
forage (CI) (DT) (OP) , technologies à faible coût (CI) (DT) (OP) |
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Editeur/Diffuseur: |
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Feedback Madagascar - London - Royaume Uni |
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