Ключевые слова: arrangement, assembly, background, bolt, bolt fastener, bridge built structure, building exterior, built structure, closeup, color image, connection, construction, construction frame, construction industry, detail, front view, full frame, girder, grey, hardware, industrial, industry, iron, large, metal, no people, nut, nut fastener, old, outdoors, paint, pattern, screw, shape, spiral, stainless, steel, strength, support,