Ключевые слова: background, bright, bulb, color, concept, conceptual, creative, creativity, daylight, design, discovery, edison, electric, electrical, electricity, energy, equipment, gas, glass, glow, glowing, heat, idea, illuminated, illumination, imagination, incandescent, innovation, inspiration, intelligence, invention, isolated, lamp, light, lightbulb, object, power, saving, science, solution, supply, symbol, technology, think, transparent, tungsten, warming, watt, white, wire,