Ключевые слова: background, basement, black, bright, bulb, concept, concepts, dark, darkness, design, electric, electrical, electricity, energy, filament, glass, glow, glowing, hanging, heat, idea, ideas, igniting, illuminated, illumination, imagination, incandescent, isolated, lamp, light, lightbulb, object, old, power, retro, saving, science, shiny, single, spiral, staircase, supply, technology, thinking, transparent, tungsten, vintage, white, yellow,