Ключевые слова: bangle, bill, bright, brightly, bulb, coins, concept, conservation, creative, eco, ecology, economical, efficiency, electric, electricity, energy, environment, equipment, evolution, fluorescent, generation, glass, hang, idea, illuminated, illumination, incandescent, innovation, inspiration, invention, isolated, lamp, led, light, money, nature, power, progress, recycle, recycling, rustic, save, saver, saving, solution, technology, tungsten, vintage, white, wooden,