Ключевые слова: cable, checking, construction, contractor, control, electric, electrician, electricity, energy, engineer, examining, fix, handyman, helmet, home, house, indoors, industry, installing, job, maintenance, man, manual, master, measurement, occupation, outlet, plug, power, presence, professional, protective gloves, renovation, repairing, repairman, safety, screwdriver, service, socket, switch, technician, technology, tester, tool, uniform, voltage, voltage detector, wires, wiring, work,