Ключевые слова: analysis, architect, architecture, building, business, check, construction, control, danger, engineer, equipment, examining, factory, foreman, helmet, industrial, industry, inspector, instrument, job, line, machine, maintenance, male, man, monitor, occupation, operator, person, plant, power, process, production, professional, repair, safety, service, site, supervisor, system, technical, technician, technology, tool, trainee, white, work, worker, write, young,