Bio-digestor casero. (propuesta de diseño personal).
Another option of a power source would be bike powered. The picture above shows how this would work. The wheel would spin and the chain would move this would cause the motor to charge.
Learn How To Build A Rocket Stove For Earth Friendly Cooking [video]
Minimal Intentions: Rocket Stove Introduction.
12 Volt 24 Volt battery bank for solar Energy system, Photovoltaic Systems
Not only is this picnic table great for outdoor eating, but it easily converts into two cute garden benches. The picnic table’s top folds down to create the back of the bench, for a relaxing seat.
een bankje van twee boomstammen en een hele dikke plank