Ключевые слова: access, adult, background, box, business, caucasian, confined, construction, design, development, engineering, equipment, female, gas, group, happy, helmet, industrial, industry, isolated, isolation, list, male, man, meeting, mine, miner, natural, occupation, officer, oil, people, permit, person, prior, project, protection, rope, safety, security, site, space, supervisor, well, work, worker, workers, working at height, yellow, young,