Ключевые слова: abstract, aluminum, armature, background, closeup, coil, company, conductor, construct, construction, equipment, factory, fitting, fixture, gray, heavy, industrial, industry, iron, machine, machinery, manufacture, manufacturing, material, metal, metallic, metallurgy, object, pattern, production, profile, reinforced, rod, rolling, shiny, silver, stacked, stainless, steel, structure, warehouse, wire,