Ключевые слова: assistance, bright, brightly, building site, bulb, ceiling, clear, close up, closeup, color, concepts, conservation, construction site, cutout, electric, electrical, electricity, empty, energy, equipment, filament, fixture, fluorescent, glass, glowing, hanging, house, innovation, lamp, light, modern, nobody, object, power, reflection, room, single, supply, technology, transparent, unfinished, watt, white, wire,