Ключевые слова: business, chemical, confidence, consumption, controlling, crude, development, distribution, energetic, energy, engineering, facility, factory, fuel, gas, gasoline, generation, hard hat, heavy, industrial, inspecting, installation, machine, maintenance, manufacturing, occupation, oil, petrochemical, pipe, pipeline, plant, pollution, portrait, power, pressure, processing, production, propane, pump, refinery, safety, steel, storage, supervisor, supply, technician, technology, terminal, worker, workshop,