Ключевые слова: arabia, background, building, business, chemical, chemistry, company, construction, crude, energy, engineer, europe, facility, factory, fuel, gas, heat, industry, infrastructure, laying, line, natural, oil, perspective, petro, petrochemical, petrochemistry, petrol, petroleum, pipe, pipeline, plant, power, process, production, recycle, refinery, russia, russian, saudi, sky, steel, sun, sunset, supply, technology, transit, tube, view,