Ключевые слова: box, cable, cables, circuit, component, construction, contractor, control, cutters, electric, electrical, electrician, electricity, electronics, energy, engineer, equipment, examining, expertise, fixture, fuse, industry, instrument, line, machine, maintenance, man, manual, measurement, multimeter, panel, pliers, power, probe, professional, repairing, repairman, safety, service, skill, supply, switch, switchgear, technician, technology, tool, voltage, wires, work, worker,