Ключевые слова: business, construction, crane, crude, drill, drilling, energy, engineer, engineering, equipment, field, fossil, fuel, gas, gasoline, glove, helmet, industrial, industry, job, maintenance, man, metal, mining, occupation, offshore, oil, oil field, oilfield, petrochemical, petroleum, pipe, pipeline, plant, platform, power, production, pump, refinery, repair, rig, sky, steel, technology, valve, well, work, worker,