Tools, whether hand or machine powered, are an essential element in all the ways that human's change their environment, from gardening to construction.

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Timber framing tool table. Photo: smallape on Flickr, shared under Attribution-NonCommercial-ShareAlike 2.0 license.

Hand tools

Hand tools can be seen in use all over the world today. However, our reliance on fossil fuel powered machinery has led to a decrease in our knowledge and maintenance of small hand tools.

Pedal powered smoothie maker Image: oneplanetsutton on Flickr, shared under CC Attribution license.

Pedal powered technology

Pedal power is the transfer of energy from a human source through the use of a foot pedal and crank system.