Ключевые слова: adult, adults only, blueprint, business, computer, construction, control, design, development, electronic, engineer, engineering, equipment, examining, expertise, factory, gear, helmet, horizontal, indoor, industrial, industry, innovation, machine, machinery, man, manufacturing, mechanic, mechanical, mechanism, metal, occupation, part, person, production, professional, protection, safety, service, skill, steel, teamwork, technical, technician, technology, woman, work, working, workshop,