Ключевые слова: black, blue, bright, broken, bulb, bunch, clean, clear, close, closeup, collection, concept, conservation, creative, ecology, economy, efficiency, efficient, electric, electricity, energy, environment, environmental, equipment, fluorescent, glass, high, idea, images, improvement, industry, innovation, lamp, light, lightbulb, metal, modern, object, pile, power, recycle, save, shiny, sign, symbol, technology, tube, wattage, white,