Ключевые слова: alarm, alert, arrow, automatic, beginning, breaker, circuit, control, current, cut out, danger, dangerous, electric, electrician, emergency, engineer, factory, finish, function, fuse, hand, help, important, industrial, manufacture, monitor, off, power, power supply, problems, process, protection, pushing, red, repair, responsibility, safety, security, service, sign, signal, start, stop, supply, switch, system, tech, voltage, worker,