Olivier A. : basically this is a story about poverty and the very beginnings of 'our' rocket stove Technology ! I believe that it was the W.H.O.
that estimated !/2 of all the smoke that comes to North America from Chinese Asia, come from peasants 3 rock fires !
Success has a Thousand Fathers , Failure is an Orphan
LOOK AT THE " SIMILAR THREADS " BELOW !
Montana has cold dark nights. Perfect for the heat from incandescent light. Tiny ad:
177 hours of video: the 2017 Permaculture Design Course and Appropriate Technology Course