A crash course in changing the world.
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We are proposing generating wind energy. How? That's a nice seires of videos that explains and sho… Tags: cheap, turbine Can Cengiz Mar 23, 2010 49 views
probably the cheapest and simplest wood gas stove on the face of the planet :) seriously !!! Tags: gas, woodgas NickDutch Mar 18, 2010 201 views
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