Ключевые слова: architecture, background, building, business, businessman, chemical, chemistry, construction, ecology, energy, engineer, engineering, environment, equipment, factory, fuel, gas, gasoline, helmet, industrial, industry, innovation, man, manager, manufacturing, metal, oil, people, petrochemical, petrol, petroleum, pipe, pipeline, plant, pollution, power, production, professional, pump, refinery, safety, sky, steam, steel, technician, technology, tower, work, worker,