wind engines; wind turbines

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Photo credit: © Bernd Kröger / Alamy / Afripics
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Keywords: alternative, dynamic, ecological, ecology, electric, electricity, energies, energy, engine, engines, environment, environments, generation, germany, mills, motion, motions, movement, movements, power, production, rotate, rotor, supplies, supply, technology, treuenbrietzen, turbine, turbines, turn, twist, wind