Ключевые слова: background, better, black, bright, brightly, bulb, concept, conservation, conserve, creative, ecologic, ecological, ecology, economical, efficiency, electric, electricity, energy, environment, equipment, fluorescent, generation, glass, glowing, green, idea, illuminated, illumination, incandescent, innovation, inspiration, invention, lamp, lightbulb, lit, nature, object, power, recycle, recycling, render, save, saver, savings, shape, shine, shiny, solution, spiral, technology,