6
Steel, unwrought or semi-wrought; Copper, unwrought or semi-wrought; Common metals, unwrought or semi-wrought; Steel sheets; Anchor plates; Props of metal; Steel pipes; Sleeves [metal hardware]; Elbows of metal for pipes; Pipes of metal; Junctions of metal for pipes; Valves of metal, other than parts of machines; Pipework of metal; Clips of metal for cables and pipes; Tanks of metal; Chests of metal; Nameplates of metal
7
Pumps [parts of machines, engines or motors]; Lubricating pumps; Pumps [machines]; Valves [parts of machines]; Pressure valves [parts of machines]; Taps [parts of machines, engines or motors]; Hydraulic controls for machines, motors and engines; Pneumatic or hydraulic linear actuators, other than for land vehicles; Pressure regulators [parts of machines]; Shock absorber plungers [parts of machines]; Cartridges for filtering machines; Control mechanisms for machines, engines or motors; Water separators; Heat exchangers [parts of machines]; Filters being parts of machines or engines; Filtering machines; Hydraulic engines and motors; Pneumatic controls for machines, motors and engines; Shaft couplings [machines]; Transmissions for machines