Ключевые слова: alternative, blades, burning, clean, colorful, conservation, country, countryside, development, ecological, ecology, electric, electrical, electricity, energy, environment, environmental, environmentally, farm, force, generate, generator, german, germany, global, green, industrial, industry, landscape, mill, natural, nature, plant, power, powerplant, propeller, renewable, resource, rotate, rotation, silhouette, sky, sunrise, sunset, sustainable, technology, turbine, wind, windmill, windturbine,