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Primitive energy sources

Primitive energy sources. March 30 th , 2011. Energy sources. Wood Coal Crude oil Tar Animal waste Animal oils and fats Animal & human power Wind power Hydraulic power. Energy usage . Light Heat Food preparation War Medicine Ritual Communication .

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Primitive energy sources

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  1. Primitive energy sources March 30th, 2011

  2. Energy sources • Wood • Coal • Crude oil • Tar • Animal waste • Animal oils and fats • Animal & human power • Wind power • Hydraulic power

  3. Energy usage • Light • Heat • Food preparation • War • Medicine • Ritual • Communication

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