Everything needed for human powered apps of bike cranks. Generate your own electricity, get healthy and be a prepper.http://bit.ly/OqJVAp
This is a free downloadable PDF on how to construct them. Definitely a keeper for preppers and folks that wish to be or become self sufficient. http://bit.ly/M0LpQu
Showing posts with label human power. Show all posts
Showing posts with label human power. Show all posts
Tuesday, June 26, 2012
Building a better world through human power
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