Ключевые слова: background, black, bright, brightly, bulb, concept, conservation, creative, creativity, crystal, dark, design, diode, electric, electrical, electricity, energy, environmental, equipment, fluorescent, glass, glow, glowing, hang, idea, illuminated, illumination, incandescent, innovation, inspiration, intelligence, invention, lamp, light, lightbulb, lit, modern, object, power, shine, shiny, solution, symbol, technology, think, transparent, white, yellow,