Ключевые слова: blue, bright, business, chemical, chemistry, construction, danger, distillery, electrical, electricity, energy, engineering, environment, environmental, equipment, factory, fire, flame, fuel, gas, gasoline, global, industrial, industry, light, machine, metal, nature, oil, petrochemical, petrol, petroleum, pipeline, plant, pollution, power, production, refinery, sky, smoke, station, steam, sunset, supply, technology, tower, tube, water,