Ключевые слова: background, bright, bulb, compact, conservation, conserve, cutout, eco, ecology, economic, economical, economy, efficiency, efficient, electric, electricity, energy, fluorescent, friendly, glass, glow, green, idea, illumination, innovation, invention, isolated, lamp, light, lightbulb, modern, money, power, reduce, save, saver, savings, shine, solution, spiral, technology, tube, warming, watt, white,