Ключевые слова: and, barrel, business, cloud, construction, drill, drilling, ecology, economy, energy, environment, equipment, field, fossil, fuel, gas, gasoline, heavy, industrial, industry, jack, machine, machinery, mineral, money, oil, oilfield, petroleum, pipe, pipeline, platform, pollution, power, pump, pumpjack, reservoir, resource, rig, rocking, steel, supply, tank, technology, tool, wealth, well,