Ключевые слова: bolt, build, clamp, coating, conduit, connection, construction, corrosion, damaged, design, detail, element, engineering, equipment, factory, failure, galvanized, grip, grunge, industrial, iron, joint, material, metal, nature, object, old, outdoor, outside, paint, part, pipe, pipeline, plumbing, repair, replacement, retro, rust, safety, screw, steel, steel pipe, structure, support, tube, vintage,