Ключевые слова: alternative, background, beautiful, clean, conservation, ecology, efficiency, electric, electrical, electricity, electrics, energy, environment, environmental, farm, field, generate, generation, generator, green, industrial, industry, innovation, landscape, mill, mountain, natural, nature, orange, outdoor, plant, power, propeller, renewable, resource, silhouette, sky, sun, sunlight, sunrise, sunset, sustainability, sustainable, technology, turbine, turbines, twilight, wind, wind power, windmill,