Ключевые слова: background, bangle, black, bright, brightly, bulb, bulbs, concept, conservation, conserve, creative, economical, efficiency, electric, electricity, energy, environment, equipment, glass, glow, glowing, hang, hanging, idea, illuminated, illumination, innovation, inspiration, invention, isolated, lamp, led, light, lights, lit, nature, power, recycle, recycling, red, saver, savings, shape, shine, shiny, solution, technology, white,