Ключевые слова: alternating, alternative, background, bright, bulb, compact, conservation, ecofriendly, economic, economical, economy, efficiency, electric, electrical, energy, equipment, fixture, florescent, flourescent, fluorescent, glass, idea, illuminate, incandescent, innovation, invention, isolated, lamp, lightbulb, luminosity, modern, object, plastic, save, spiral, technology, watt,