f5025c66_ermaculture_Research_Institute__Applied_in_our_stove_
[0] 2 [Principle] Place an insulated short chimney right above the fire. [Applied in our stove?] 
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C o u l d b e b e t t e r
Working With Principles for Creating More Efficient Cooking Stoves (Ethiopia) - The Permaculture Research Institute
Applied in our stove?