Ключевые слова: background, beer, blue, brewery, business, chemical, clean, construction, engineering, equipment, factory, food, fuel, industrial, industry, insulation, interior, iron, line, machine, manufacture, manufacturing, metal, metallic, modern, oil, pipe, pipeline, piping, plant, power, pressure, production, resource, shine, stainless, steel, system, tank, technology, tube, valve, water,