Ключевые слова: background, black, board, bright, bulb, conservation, copy, creativity, dark, economical, electric, electricity, energy, equipment, filament, fixture, glass, glowing, grunge, hanging, holder, idea, illuminate, illuminating, incandescent, innovate, innovation, inspiration, invention, kilowatt, lamp, light, lightbulb, luminosity, old, paint, power, save, shine, space, technology, text, transparent, tungsten, vintage, warming, watt, wire, wood, wooden,