Ключевые слова: abstract, background, barrel, big, blue, chemical, concrete, electricity, energy, engineering, equipment, facility, factory, fuel, gas, gasoline, heat, heavy, industrial, industry, insulation, iron, line, manufacturing, metal, mineral, oil, pairs, pipe, pipe line, pipeline, piping, plant, power, pump, reflection, resources, rusty, sewage, shine, stainless, steel, technology, transportation, tube, valve, water, wide angle,