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Solar energy
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Solar power
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20 simple solar projects : fun, practical, attractive, easy-to-build projects all powered by the sun
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Consumer guide to solar energy : new ways to lower utility costs, cut taxes, and take control of your energy needs
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Solar power
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Solar power
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Solar energy : a reference handbook
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Here comes the sun : a last chance for the climate and a fresh chance for civilization
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The boy who harnessed the wind
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The boy who harnessed the wind
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The boy who harnessed the wind young readers edition
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The Mills
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Wind energy
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The Way Things Work: Engines
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Chilton's guide to small engine repair-- up to 2O HP : repair, maintenance, and service for gasoline engines up to and including 20 horsepower
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How to repair diesel engines
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Small engines, operation and service
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How to repair Briggs & Stratton engines
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Sparks and flames : ignition in engines : an historical approach
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Pedal power in work, leisure, and transportation
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Small gas engines
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Repairing your outdoor power equipment
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Gas engine manual
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Small engine care & repair : a step-by-step guide to maintaining your small engine
