Ключевые слова: alternative, beautiful, blue, cloud, conservation, development, earth, ecology, electric, electrical, electricity, energy, environment, environmental, environmentally, evening, farm, friendly, generate, generation, generator, global, green, industrial, industry, landscape, mill, natural, nature, power, propeller, renew, renewable, resource, rotate, rotation, sky, sun, sunrise, sunset, supply, sustainable, technology, turbine, warming, white, wind, windmill, windturbine,