Ключевые слова: background, black, bright, bulb, business, close, concept, conceptual, creative, dark, design, electric, electricity, energy, environment, finger, glass, glow, glowing, hand, hold, idea, illuminate, illuminated, incandescent, invention, lamp, lightbulb, lit, low, one, person, power, powered, round, save, shining, single, spherical, symbol, technology, up, white,