Ключевые слова: background, bangle, black, bright, brightly, bulb, concept, conservation, conserve, creative, economical, efficiency, electric, electricity, energy, environment, equipment, fluorescent, fuel, generation, glass, glowing, green, hang, idea, illuminated, illumination, incandescent, innovation, inspiration, invention, lamp, light, light bulb, lit, nature, power, recycle, recycling, reflection, render, save, saver, savings, shape, shine, shiny, solution, technology, tungsten,