Ключевые слова: adjustment, alarm, background, board, box, breaker, button, buzzer, circuit, control, design, electric, electrical, electricity, electronic, emergency, energy, equipment, factory, hand, industrial, industry, instrument, left, light, local, machine, manufacturing, metal, old, panel, plant, power, production, red, remote, retro, room, safety, sign, speed, start, stop, substation, switch, system, technology, voltage, white, work,