Ключевые слова: board, cabinet, caucasian, check, checklist, circuit, clipboard, control, coworker, discussion, duty, electricity, electronic, engineer, engineering, equipment, examining, expertise, factory, foreman, hardhat, heavy, helmet, industrial, industry, inspector, job, machine, machinery, maintenance, man, manufacturing, mechanic, metal, occupation, people, power, professional, repair, safety, service, specialist, switchboard, system, technical, technician, tool, uniform, worker, working,