Ключевые слова: abstract, aluminum, architecture, background, beam, bridge, building, business, closeup, construction, design, detail, engineering, equipment, evenly, exterior, frame, girder, gray, grey, heavy, holes, industrial, iron, material, metal, modern, old, outdoors, part, pattern, plate, rivet, screw, shape, sheet, shiny, silver, space, stainless, steel, strip, strong, structure, technology, textured, urban, wall, wallpaper,