Ключевые слова: abstract, barrel, blue, business, chemical, clean, concrete, connection, construction, distillery, distribution, dusk, electricity, energy, engineering, equipment, factory, fuel, gas, heavy, industrial, industry, line, manufacturing, metal, natural, oil, petroleum, pipe, pipeline, plant, plumbing, pollution, power, pressure, production, refinery, sky, station, steel, storage, structure, sunlight, supply, technology, tower, transport, tube, water,