Ключевые слова: chemical, chemistry, connection, construction, control, crane, distribution, ecology, energy, equipment, europe, factory, fossil, fuel, gas, gasoline, gazprom, industrial, industry, iron, line, metal, natural, nature, oil, petroleum, pipe, pipeline, piping, plant, power, pressure, production, pump, russia, station, steel, summer, supply, system, technology, tower, transmission, transportation, tube, valve, yellow,