Ключевые слова: alternative, background, bright, bulb, cfl, clean, compact, concept, conservation, creative, creativity, diagonal, eco, ecology, economical, economy, efficiency, efficient, electric, electrical, electricity, energy, environmental, equipment, fluorescent, glass, green, idea, illuminated, illumination, illustration, incandescent, innovation, isolated, kilowatt, lamp, led, light, lightbulb, luminosity, modern, object, power, saving, set, spiral, strength, technology, zig zag,