Ключевые слова: amperage, automated, board, bulb, business, button, circuit, concepts, connect, connection, control, electricity, equipment, frame, fuel, fuse, fuses, generation, glowing, ideas, illuminated, in, industry, lamp, lamps, light, lighting, machine, manufacturing, metal, off, on, open, order, panel, power, programmable, red, row, safety, sign, station, steel, supply, switch, technology, warning, working,