Ключевые слова: background, blue, bulb, compact, creative, detail, eco, ecological, ecology, economical, economy, electric, electrical, electricity, energy, environment, environmental, equipment, fluorescent, glass, idea, isolated, kilowatt, lamp, light, lightbulb, metal, modern, night, object, power, save, saving, shine, single, spiral, strength, symbol, technology, thinking, tube, watt, white, yellow,