Ключевые слова: barrel, black, business, construction, crude, derrick, drilling, energy, engineering, environment, equipment, exploration, extraction, factory, fuel, gas, gasoline, group, industrial, industry, jack, machine, manufacturing, metal, oil, oil industry, oil well, oilfield, people, petrochemical, petrol, petroleum, pipe, pipeline, plant, platform, pollution, power, production, pump, pump jack, refinery, resources, rig, sky, storage, technology, well, work, worker,