Center For Children in Need, Sabine Roper
A biomass gassifier uses 75% less wood than a camp fire! It takes less than 30 minutes and two empty tins to build one. It is ideal in combination with a hay (wonder) box. We filmed the construction and uploaded it on Youtube (link at end of the booklet). If you like with ebook, please visit our website: www.centerclinic.wordpress.com or our YouTube channel: center for Children in Need.
Read this work at the World Public Library (library card needed).