Ключевые слова: background, black, bright, brightness, bulb, color, concept, creating, dark, design, effect, electricity, energy, equipment, filament, fire, glass, glowing, heat, hole, idea, illumination, innovation, inspiration, interesting, invention, lamp, light, lightbulb, power, shining, solution, symbol, technology, transparent, tungsten, unique, warmth, watt, yellow,