Thanks, but sometimes,- or generally there are differences, which building materials are locally available. And what´s most important is: Seeing is believing, so a workshop on rocket mass ovens in the neighborhood would be great! I plan to participate in a workshop on rocket stoves soon here in Berlin.
There are no more "hours", it's centi-days. They say it's better, but this tiny ad says it's stupid:
Contemplate spending the next 20 years puttering in permaculture projects
