Ключевые слова: barrel, boat, business, canister, cistern, collection, concept, crude, decorative, derrick, design, drilling, drop, elements, energy, environment, equipment, extractive, factory, flask, fuel, gasoline, icons, illustration, industry, isolated, object, oil, petroleum, pipeline, platform, power, process, product, production, pump, railway, rig, sea, set, ship, station, storage, tank, tanker, technology, terminal, transportation, truck,