Ключевые слова: agriculture, alternative, blade, blue, clean, clouds, conservation, ecological, ecology, electric, electricity, energy, engine, environment, environmental, field, force, future, generation, generator, grass, green, industry, meadow, mill, nature, park, plant, point, politics, power, production, propeller, protection, red, river, rotor, safe, sky, station, sun, technology, turbine, weather, wheel, white, wind, windmill,