Ключевые слова: a lot of, background, bright, bulb, bulbs, closeup, concept, conceptual, creative, design, discovery, ecology, economic, electric, electrical, electricity, energy, equipment, generation, glass, glow, green, heat, idea, illuminated, illumination, imagination, incandescent, innovation, inspiration, intelligence, invention, lamp, light, lightbulb, many, multitude, nobody, object, power, reflection, saving, science, shiny, solution, symbol, technology, transparent, warming, white,