Ключевые слова: business, butane, chemical, chemistry, commercial, compartment, construction, diesel, dock, energy, exporting, factory, flammable, fossil, fuel, gas, gasoline, generation, harbor, heavy, illuminated, industrial, industry, latvia, metal, night, oil, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, refinery, station, steel, storage, tank, tanker, technology, tower, transportation, tube, warehouse,