Manual Drilling in Chad: Obed Mutu, chief driller at "Etoile de Ville", N'Djamena
Channel: SwissCheese
Date: 12/12/2013

Obed Mutu, chief driller at "Etoile de Ville", N'Djamena, Chad explains the drilling and installation process for Washboring

Part of a project the 'Professionalising Manual Drilling' project by Skat and UNICEF
http://www.rural-water-supply.net/en/projekts/details/45