Ключевые слова: absent, arrow, background, building, business, chemical, connection, construction, energy, engineering, equipment, factory, fe steel, fluid, fuel, gasoline, indicator, industrial, industry, line, liquefied, main, manufacturing, metal, natural, oil, petroleum, pipe, pipeline, piping, plant, pollution, power, pressure, production, propane, pump, resource, russia, sanctions, steel, supply, system, technology, transmission, tube, valve, view, work, zero,