Ключевые слова: alternative, bulb, burning, clean, conservation, dark, development, ecological, ecology, efficiency, electric, electricity, energy, environment, environmental, generate, generation, generator, global, glowing, green, industrial, industry, innovation, lamp, light, mill, miniature, moon, nature, night, plant, power, production, propeller, renewable, resource, rotate, rotation, sky, spin, station, supply, sustainability, sustainable, technology, tower, turbine, wind, windmill,