http://www.youtube.com/watch?v=GQrr4KhP4Dc
NGO Grassroots India works with a team of Barefoot Engineers known as the Kumaon Artisans Guild to build Deenbandhu bio-gas units across the Himalaya. Over 1…
http://www.youtube.com/watch?v=GQrr4KhP4Dc
NGO Grassroots India works with a team of Barefoot Engineers known as the Kumaon Artisans Guild to build Deenbandhu bio-gas units across the Himalaya. Over 1…