Ключевые слова: air screw, airscrew, alternative, black, cloud, cloudy, concept, contrast, dark, eco, ecology, electric, electric energy, electrical power, electricity, energy, generator, industrial, industry, nature, nobody, object, plant, power, propeller, sky, storm, stormy, summer, technology, thunderstorm, toned, turbine, white, wind, wind generator, windmill, yellow,