Ключевые слова: barrel, building, business, chemical, coal, construction, consumption, design, drilling, electric, energy, engineering, equipment, factory, fuel, gas, global, icon, icons, illustration, industrial, industry, isolated, line, meter, mining, nuclear, offshore, oil, pipeline, plant, platform, pollution, power, pressure, production, pump, refinery, responsive, rig, set, station, storage, style, tank, transmission, transportation, worker,