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Appropriate Technology Library
Community Sustainability Libary from the Appropriate Technology Insitute. Topics include Solar Devices, Mechanical Devices, Animal Husbandry, Water Systems, Chemical Devices, Agriculture and Agroforestry, Building, Rural Self-reliance and Permaculture Links
Community Sustainability Libary from the Appropriate Technology Insitute. Topics include Solar Devices, Mechanical Devices, Animal Husbandry, Water Systems, Chemical Devices, Agriculture and Agroforestry, Building, Rural Self-reliance and Permaculture Links
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