Ключевые слова: adult, architect, blueprint, builder, building, business, caucasian, construction, control, design, electric, electrician, engineer, equipment, factory, foreman, hardhat, hat, heavy, helmet, industrial, inspector, job, machine, male, manager, manufacturing, mechanic, men, modern, occupation, person, plan, plant, portrait, production, professional, protection, safety, service, site, standing, technician, technology, warehouse, worker, working, workplace, workshop, young,