Ключевые слова: background, black, bright, bulb, business, caucasian, conservation, consumption, creative, creativity, cutout, discovery, efficiency, electric, electricity, energy, environment, eureka, expensive, female, finger, glass, glowing, gripping, hand, holding, human, idea, illuminate, imagination, innovation, inspiration, invention, isolated, lamp, light, lightbulb, low, palm, person, power, save, solve, studio, symbol, technology, think, watt, white, woman,