new videos
hot off the press!  
    more about rocket
mass heaters here.

more videos from
the PDC here.
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A link to a great thread about lowering costs, MUST SEE!  RSS feed

 
I am going to test your electrical conductivity with this tiny ad:
2017 Rocket Mass Heater Workshop Jamboree - 15 workshops in one event
https://permies.com/wiki/63312/permaculture-projects/Rocket-Mass-Heater-Workshop-Jamboree
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