Ключевые слова: architecture, background, body, building, business, chemical, chemistry, construction, double, energy, engineer, engineering, environment, estate, factory, fossil fuel, fuel, gasoline, hard, hat, helmet, industrial, industry, machine, male, man, manager, manufacturing, men, metal, oil, part, petrochemical, petroleum, pipe, plant, pollution, power, production, protect, protection, refinery, safety, standing, storage, structure, tower, tube, young,