Ключевые слова: background, black, blank, bright, bulb, clear, closeup, concept, creative, design, electrical, electricity, emtyspace, energy, equipment, filament, glass, idea, illumination, indoor, innovation, invention, lamp, lightbulb, mind, object, one, power, room, shape, space, still, teamwork, technology, vintage, wall, watt, wood, wooden, yellow,