Ключевые слова: bolts, bolts and nuts, business, complex, construction, distillery, economic, economy, energy, engine, engineer, engineering, engineers, environmental, equipment, exploration, facility, factory, fossil, gas, gasoline, heavy, industrial, industry, iron, iron levers, machine, manufacturing, metal, oil, oil and gas, oil and gas industry, oil industry, oilworkers, petrochemical, petrochemistry, petroleum, plant, power, production, pump, refinery, resource, rust, station, steel, structure, technology, worker,