Ключевые слова: abstract, alloy, aluminum, arrangement, background, business, coil, cold, color image, colourful, colours, engineering, factory, germany, gray, grey, hard, heavy, horizontal, indoors, industrial, industry, iron, ironwork, manufacturing, material, metal, metallic, nickel, no people, pattern, plant, processed, rough, round, shaped, sheet, silver, stack, stainless, steel, stock, strong, surface, technology, tile, tough, wallpaper, warehouse,