I stumbled upon this video while browsing Facebook, it is a rocket stove with attachments, first the stove like table with the chimney, but the fabricator Mr. Sugiura, has a square or an arch type oven that go on top the rocket stove replacing that stove top.The craftsmanship is amazing, it is simple, functioning and just beautiful.
water wheels as described by Malala. They proved water to turn millstones to grind wheat and maize into flour. Near by is a panel with wires coming from it. The government does not provide electricity and people create makeshift hydroelectric power grids.