Ключевые слова: building, construction, design, engine, engineer, engineering, equipment, factory, gas, hard, hat, heavy, helmet, industrial, industry, interior, job, labor, machine, machinery, male, man, manufacturing, mechanic, mechanical, metal, occupation, overall, people, person, plant, portrait, power, production, professional, protective, safety, service, site, steel, technician, technology, turbine, uniform, work, worker, workman, workplace, wrench,