Ключевые слова: alternative, bulb, clean, closeup, compact, conservation, detail, ecological, economy, efficiency, efficient, electric, electricity, energy, environmental, equipment, fixture, flourescent, fluorescent, frugal, glass, idea, improvement, innovation, invention, lamp, light, lightbulb, modern, power, save, saver, savings, screw, simple, socle, spiral, twist, twisted, watt, white,