Ключевые слова: chemical, dioxide, distillery, energy, engineer, engineering, environment, equipment, factory, factoryworker, fuel, fuelstorage, fueltanks, gas, gasindustry, gasrefinery, globalwarming, hardhat, industrial, industrialplant, industrialworker, industry, mechanic, metal, oil, oilrefinery, oilworker, petrochemical, pipelines, pipes, plant, plantworker, pollution, power, pump, refinery, steel, technology, toxic, toxicsubstance, worker,