Ключевые слова: backgrounds, bright, bulb, cable, concepts, creativity, economical, efficiency, electric, electricity, energy, environment, environmentalist, equipment, family, fire, fluorescent, fuel, generation, glass, glowing, hanging, ideas, illuminated, innovation, lamp, light, line, material, multigeneration, natural, nature, phenomenon, power, recycling, saver, savings, shape, shiny, technology,