Water4 Training Video: Drilling Zones 1 and 2 | ||||||
film video internet Jan 2012 ; Durée: 10 min. ![]() Ed. Water4 - Oklahoma City Téléchargeable chez l'éditeur ![]() ![]() ![]() Training videos on the techniques of Manual drilling of a well to reach drinking water. The training video outlines every step of the well-drilling process and is designed to be used in-country to further assist training efforts. Public-Cible:
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En cas de lien brisé, nous le mentionner à communication@pseau.org |