Metal building materials; Aluminium being a finished or semi-finished product, for building, for use in ventilating, air-conditioning and building acoustics installations; Steel sheets, for building, for use in ventilating, air-conditioning and building acoustics installations; Fittings of metal for pipes, fittings of metal for compressed air pipes, for building, for use in ventilating, air-conditioning and building acoustics installations; Security barriers and guard rails, for building, for use in ventilating, air-conditioning and building acoustics installations; Girders of metal, joists of metal being finished or semi-finished products, for building, for use in ventilating, air-conditioning and building acoustics installations; Drums of metal for non-mechanical flexible pipe winders, for building, for use in ventilating, air-conditioning and building acoustics installations; White metal being a finished or semi-finished product, for building, for use in ventilating, air-conditioning and building acoustics installations; Wainscotting of metal, for building, for use in ventilating, air-conditioning and building acoustics installations; Gates of metal and gate doors of metal being finished or semi-finished products, for building, for use in ventilating, air-conditioning and building acoustics installations; Metal building materials, not included in other classes, for building, for use in ventilating, air-conditioning and building acoustics installations; Bottles of metal for compressed gas or liquid air; Tiles of metal; Porches of metal, for building, for use in ventilating, air-conditioning and building acoustics installations; Chimney cowls of metal; Ladders of metal; Ironmongery, including rivets, screws, bolts, nuts, pegs, washers being finished products, for building, for use in ventilating, air-conditioning and building acoustics installations; Hook-up wire, not insulated, aluminium wire, not insulated, soldering wire of metal, copper wire, not insulated, steel wire, wires of common metal alloys, except fuse wire being a finished or semi-finished product, for building, for use in ventilating, air-conditioning and building acoustics installations; Screens of metal being finished or semi-finished products, for building, for use in ventilating, air-conditioning and building acoustics installations; Nets of metal being semi-finished products, for building, for use in ventilating, air-conditioning and building acoustics installations; Aluminium foil, tinfoil, foils of metal for packaging and wrapping, for building, for use in ventilating, air-conditioning and building acoustics installations; Frames of metal for doors, small doors and manholes, for use in ventilating, air-conditioning and building acoustics installations; Knobs of metal, for building, for use in ventilating, air-conditioning and building acoustics installations; Hooks of metal, for building, for use in ventilating and air-conditioning installations and for building acoustics; Booths of metal, for use in ventilating and air-conditioning installations and for building acoustics; Angle irons of metal, for use in ventilating and air-conditioning installations and for building acoustics; Door handles of metal, for building, for use in ventilating and air-conditioning installations and for building acoustics; Crampons of metal, for use in ventilating and air-conditioning installations and for building acoustics; Wall plugs of metal, pegs of metal, bungs of metal, for use in ventilating and air-conditioning installations and for building acoustics; Flanges of metal (collars), for use in ventilating and air-conditioning installations and for building acoustics; Frames of metal for building, transportable buildings of metal, for use in ventilating and air-conditioning installations and for building acoustics; Grilles of metal, latticework of metal, latticework for use in ventilating and air-conditioning installations and for building acoustics; Framework of metal for building, grilles of metal; Branching pipes of metal; Cocks, taps, for use in ventilating and air-conditioning installations and for building acoustics; Plaited or twisted ropes of metal, wire ropes, for use in ventilating and air-conditioning installations and for building acoustics; Guard rails of metal; Chains of metal, for use in ventilating and air-conditioning installations and for building acoustics; Laths of metal, for use in ventilating and air-conditioning installations and for building acoustics; Metallic masts; Flashing of metal, not included in other classes, for use in ventilating and air-conditioning installations and for building acoustics; Specialist roof flashing of metal, for use in covering ventilating and air-conditioning installations and for building acoustics; Ducts of metal for ventilating and air-conditioning installations and for building acoustics; Copper, unwrought or semi-wrought, for use in ventilating and air-conditioning installations and for building acoustics; Brass, unwrought or semi-wrought, for use in ventilating and air-conditioning installations and for building acoustics; Belt stretchers of metal, for use in ventilating and air-conditioning installations and for building acoustics; Stretchers of metal for metal bands, for use in ventilating and air-conditioning installations and for building acoustics; Harness of metal for handling loads, clips of metal for pipes; Tubing of metal, for use in ventilating and air-conditioning installations and for building acoustics; Door frames of metal; Gate and door stops of metal; Fittings of metal for building, for use in ventilating and air-conditioning installations and for building acoustics; Semi-wrought lead for use as packing, protective lead seals, for use in ventilating and air-conditioning installations and for building acoustics; Tinplate packings; Clips of metal for pipes, for use in ventilating and air-conditioning installations and for building acoustics; Hooks of metal for fastening cables or pipes, for use in ventilating and air-conditioning installations and for building acoustics; Pipe jackets of metal, for use in ventilating and air-conditioning installations and for building acoustics; Transport pallets of metal; Eye bolts of metal, for use in ventilating and air-conditioning installations and for building acoustics; Tiles of metal, for use in ventilating and air-conditioning installations and for building acoustics; Building boards of metal; Posts of metal, for use in ventilating and air-conditioning installations and for building acoustics; Transportable buildings of metal, for use in ventilating and air-conditioning installations and for building acoustics; Ducts of metal for ventilating and air conditioning installations; Pipes and tubes of metal, for use in ventilating and air-conditioning installations and for building acoustics; Wire cloth, nets and screens of metal, for use in ventilating and air-conditioning installations and for building acoustics; Metallic springs; Ladder and stair steps of metal; Framework of metal for building; Acoustic sheet piles of metal; Wire cloth made entirely of metal, for use in ventilating and air-conditioning installations and for building acoustics; Fittings of metal for building (stiffeners), for use in ventilating and air-conditioning installations and for building acoustics; Linings of metal for building; Clips of metal, clips of metal for cables, tension links, for use in ventilating and air-conditioning installations and for building acoustics; Locks of metal, other than electric, for use in ventilating and air-conditioning installations and for building acoustics; Hinges of metal, strap hinges of metal, braces of metal for handling loads; Couplings of metal for non-electric cables, couplings of metal for chains, junctions of metal for pipes, junctions of metal for pipes for use in ventilating and air-conditioning installations and for building acoustics; Jalousies of metal for use in ventilating and air-conditioning installations and for building acoustics; Thread of metal for tying-up purposes for use in ventilating and air-conditioning installations and for building acoustics.

Ventilating, air-conditioning and building acoustics ejectors; Steam traps for use in ventilating and air-conditioning installations and for building acoustics; Hydraulic door openers and closers (parts of machines) for use in ventilating and air-conditioning installations and for building acoustics; Compressors (machines) for use in ventilating and air-conditioning installations and for building acoustics; Steam condensers (parts of machines), aerocondensers for use in ventilating and air-conditioning installations and for building acoustics; Driving chains (machines), other than for land vehicles, for use in ventilating and air-conditioning installations and for building acoustics; Bearings for machines, journal boxes (parts of machines), bearings for transmission shafts, ball-bearings, anti-friction bearings for machines, roller bearings, self-oiling bearings for use in ventilating and air-conditioning installations and for building acoustics; Automatic handling machines (manipulators) for use in ventilating and air-conditioning installations and for building acoustics; Transmissions, other than for land vehicles, for use in ventilating and air-conditioning installations and for building acoustics; Hydraulic controls for machines, motors and engines for use in ventilating, air-conditioning and building acoustics installations; Vacuum cleaner attachments for disseminating disinfectants for use in ventilating and air-conditioning installations and for building acoustics; Pneumatic tube conveyors for use in ventilating, air-conditioning and building acoustics installations; Pneumatic door openers and closers (parts of machines); Water heaters and heat exchangers and heat regenerators, all of the aforesaid being parts of machines; Pumps being parts of machines, motors and engines, pumps (machines), pumps for heating installations, compressed air pumps, centrifugal pumps, air pumps (installations), vacuum pumps (machines), lubricating pumps; Transmissions for machines, reduction gears other than for land vehicles, gears other than for land vehicles for use in ventilating, air-conditioning and building acoustics installations; Spraying machines for use in ventilating, air-conditioning and building acoustics installations; Pneumatic tube conveyors for use in ventilating, air-conditioning and building acoustics installations; Hydraulic engines and motors, compressed air engines, driving motors other than for land vehicles for use in ventilating, air-conditioning and building acoustics installations; Mufflers for motors and engines, exhausts for motors and engines for use in ventilating, air-conditioning and building acoustics installations; Air-suction machines, blowing machines for exhaustion of dust; Fans for motors and engines for use in ventilating, air-conditioning and building acoustics installations; Pressure valves (parts of machines) for use in ventilating, air-conditioning and building acoustics installations; Clack valves (parts of machines) for use in ventilating, air-conditioning and building acoustics installations.