[ Metal locking mechanisms; containers of metal designed for storage and transport; ironmongery in the nature of small items of metal hardware, namely, hinges, nuts, kingpins; metallic mountings, namely, brackets for general use; ] closures of metal for containers | [ Couplings for machines; flexible couplings parts of machines; machine couplings other than for land vehicles ] | [ Towing tractors and structural parts therefor; electric tractors vehicles; semi-tractor trailers; towing tractors; ] couplings for land vehicles; [ vehicles for locomotion by land or rail, namely, land vehicles, trains; railway couplings; ] motor vehicles, namely, trucks, [ automobiles, ] towing tractors, and parts therefor | [ Engineering design and consultancy; technical research in the field of hydraulics, pneumatics, and electrical systems; research and development of new products for others; mechanical research; technical project studies, namely, scientific feasibility studies ]
