Ключевые слова: alternative, background, bright, bulb, clear, compact, conservation, critical, currency, detail, eco, ecology, economic, economical, efficiency, electric, electrical, electricity, energy, environment, equipment, flourescent, fluorescent, glass, hand, idea, illuminated, illumination, innovation, invention, kilowatt, lamp, light, lightbulb, lucent, modern, object, polarity, power, powerful, save, saver, spiral, technology, think, tornado, twist, utility, watt, white,