Ключевые слова: abstract, background, brown, chrome, clean, clear, closeup, construction, diagonal, dirty, element, engineering, equipment, foreground, freight, gear, group, hardware, horizontal, images, industrial, industry, iron, landscape, macro, metal, metallic, nobody, nut, objects, obsolete, part, railway, screw, set, shallow, shape, shiny, silver, sizes, small, stainless, steel, thread, threaded, tool, train, work, wrench, zinc,