Ключевые слова: alternative, alternative energy, blade, clean, cloud, electricity, energy, enviromentalism, environment, environmental conservation, farm, field, force, friendly, generate, generation, generator, green, mill, natural, power, power source, preservation, preserve, propeller, recycling, renewable, renewed, rotate, safe, sky, source, spin, sustained, technology, turbine, wind, wind force, wind turbine, windmill, wing,