Ключевые слова: business, caucasian, chemistry, construction, coveralls, day, energy, engineer, engineering, equipment, expertise, factory, fuel, gas, group, hat, helmet, industrial, industry, job, man, manufacturing, meeting, modern, occupation, oil, outdoors, panel, people, pipeline, plant, production, professional, protection, protective workwear, refinery, safety, teamwork, technology, together, work, worker, workers, working,