Ключевые слова: alternative, bright, bulb, business, closeup, concept, consumption, creative, creativity, eco, ecology, economy, efficiency, electric, electrical, electricity, energy, environment, environmental, equipment, flickering, friendly, future, glowing, hand, holding, idea, illuminate, illuminated, incandescent, indoors, innovation, inspiration, invention, lamp, led, light, lightbulb, lighting, man, object, person, power, process, responsibility, saving, solution, spiral, technology, thinking,