Ключевые слова: adjustment, check, diagnosis, disassembly, engine, equipment, factory, hand, happy, heavy, helmet, human, indoors, industry, job, labor, laborer, machinery, machinist, maintenance, male, mechanic, mechanism, men, metal, motor, nuclear, part, person, portrait, power, powerful, protection, repairman, repairs, safety, spanner, steam, steel, technician, tighten, tools, troubleshooting, turbine, worker, working, workshop, wrench, young,