Ключевые слова: abstract, background, brown, canalization, closeup, construction, core, corrosion, engineering, equipment, factory, ferrous metals, fragment, group, hardware, heavy, heavy industry, industrial, industry, iron, manufacturing, material, metal, metal rod, metallic, metallurgy, object, old, parallel, pattern, pile, pipe, pipeline, product warehouse, production, quotes, rod, round, rust, rusted, rusty, stack, steel, structure, technology, texture, tube, tubular, wall,