Ключевые слова: auto, automotive, business, chemical, chemistry, chimney, construction, crude oil, diesel, distillation, distillery, ecology, energy, engineer, engineering, environment, factory, fuel, gas, gasoline, industrial, industry, light, manufacture, manufacturing, metal, natural gas, oil, oil industry, oil refinery, petrochemical, petrol, petroleum, pipe, pipeline, plant, pollute, pollution, power, production, refinery, smoke, smokestack, stack, steam, tank, technology, tower, twilight,