Ключевые слова: background, building, business, chemical, chemistry, construction, day, energy, engineer, engineering, environment, equipment, factory, fuel, gas, gasoline, global, green, heavy, industrial, industry, light, manufacturing, metal, oil, petrochemical, petroleum, pipe, pipeline, plant, pollutant, pollute, pollution, power, production, refinement, refinery, sky, steam, structure, sustainable, tank, technology, tower, vintage,