Ключевые слова: adult, alone, collar, construction, contractor, elder, elderly, electrical, electrician, electricity, energy, engineer, equipment, foreman, handsome, hard, helmet, industrial, industry, installation, job, maintenance, male, man, one, only, panel, person, power, professional, protective, real, repair, repairman, safety, service, site, skill, specialist, system, technician, tools, voltage, wires, wiring, work, worker, working, workman, workwear,