Ключевые слова: background, bangle, black, bright, bulb, business, cartridge, clip, color, concept, conceptual, conservation, conserve, creative, eco, efficiency, electric, electricity, energy, equipment, generation, glass, glowing, idea, illuminated, illumination, imagination, incandescent, innovation, inspiration, invention, isolated, lamp, light, lightbulb, lit, nature, object, power, recycle, reflection, saver, savings, shiny, solution, symbol, technology, transparent, white, yellow,