6 Surface plates for the alignment and repair of motor vehicles bodywork, namely, metal ramps; metal columns, metal clamps and metal fastenings for attaching motor vehicles bodies to benches and surface plates for their alignment and repair; metal traction chains for use with benches and surface plates for the alignment and repair of motor vehicles bodywork; Metal prefabricated structures for use in the auto body painting industry, namely, spray paint booths, sanding stations, preparation areas and paint mix rooms