Ключевые слова: american, caucasian, checking, control, controller, engineer, engineering, equipment, examining, factory, fix, hardhat, heavy, helmet, industrial, industry, job, lathe, lathing, machine, machinery, maintenance, male, man, manufacture, manufacturing, mechanic, mechanical, metal, occupation, operating, operator, person, production, protective, repair, repairman, robotics, rotary, safety, staff, steel, technician, tool, uniform, using, worker, working, workplace, workshop,