Ключевые слова: adult, business, caucasian, cnc, construction, control, craftsman, cutting, drill, engineer, engineering, equipment, factory, hardhat, heavy, helmet, industrial, industry, instrument, job, labor, lathe, machine, machinery, maintenance, man, manufacture, manufacturing, mechanic, mechanical, metal, metalwork, occupation, operating, operator, portrait, process, production, professional, repairman, safety, steel, technician, technology, tool, work, worker, working, workplace, workshop,