6 common metals and their alloys; metal building materials; transportable building of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal
7 machines and machine tools; motors ( except for land vehicles); machine coupling and belting (except for land vehicles), soldering apparatus non-electric
9 electric and checking apparatus and instruments; magnetic data carriers; calculating machines and data processing equipment; soldering apparatus
37 construction and repair; public works; installation, maintenance and repair of railways