Ключевые слова: background, black, bright, bulb, business, ceiling, cold, concept, conceptual, creativity, dark, darkness, decay, dim, dust, dusty, electric, electricity, empty, energy, equipment, fading, filament, glass, gloomy, glowing, hanging, idea, illuminated, incandescent, innovation, inspiration, intelligence, invention, lamp, light, lightbulb, object, old, power, shine, solution, spooky, symbol, technology, tungsten, vintage, word, yellow,