Ключевые слова: automatic, background, board, breaker, button, cabinet, cable, center, check, connect, control, electric, electrical, electrician, electricity, electronic, energy, engineer, engineering, equipment, factory, helmet, industrial, industry, machine, machinery, maintenance, man, manufacturing, mechanism, network, panel, people, person, plant, power, production, professional, repairman, room, safety, starter, switch, system, technical, technician, technology, voltage, work, worker,