Ключевые слова: business, computer, concept, construction, contracting, control, counsel, design, electronics, engineer, engineering, engineers, equipment, facility, factory, general, hardhat, heavy, helmet, high tech, indoors, industrial, industry, internet, job, machine, maintenance, male, man, manager, manufacturing, occupation, organization, people, person, plan, portrait, production, professional, project, safety, survey, system, technicians, technology, warehouse, woman, work, worker, workers,