Ключевые слова: adjust, ammeter, assembling, automated, automatic, board, button, check, closeup, computer, construction, control, coupling, current, distribution, electricity, electronic, engineering, equipment, field, fuse, hand, industrial, instrument, key, keypad, machine, maintenance, manual, operator, panel, plant, power, protection, relay, remote, repairing, safety, service, setup, switchgear, technician, tool, unit, voltage, voltmeter,