Ключевые слова: background, business, can, concept, construction, container, crisis, crude, derrick, design, diesel, drill, drum, element, energy, environment, equipment, exploration, flammable, fossil, fountain, fuel, illustration, industrial, industry, jack, liquid, machine, metal, mining, natural, oil, oilfield, petroleum, pollution, pressure, production, pump, reservoir, resource, rig, safety, spurts, stairs, storage, symbol, tank, technology, trade,