https://www.youtube.com/watch?v=BGXv7buNUMY
Biomass cooking stove burns wood to charcoal and saves the charcoal. One pound of wood cooks 6 kiols of rice and makes 65 grams of char.
https://www.youtube.com/watch?v=BGXv7buNUMY
Biomass cooking stove burns wood to charcoal and saves the charcoal. One pound of wood cooks 6 kiols of rice and makes 65 grams of char.