Ключевые слова: background, backlight, black, blank, bright, bulb, concept, copy, creativity, dark, electric, electrical, electricity, element, empty, energy, equipment, glass, icon, idea, illuminated, innovation, inspiration, invention, isolated, lamp, led, light, lightbulb, nobody, object, power, shape, shiny, solder, solution, supply, symbol, technology, template, watt, web, white,