6
Water-pipe valves of metal; Radiator valves of metal [other than thermostatic]; Metal valves for controlling the flow of fluids in pipelines; Valves of metal, other than parts of machines; Flap valves of metal; Pipes, tubes and hoses, and fittings therefor, including valves, of metal; Drain traps [valves] of metal; Metal valves for controlling the flow of gases in pipelines; Check valves of metal [other than parts of machines]; Manually operated metal valves; Metal pulleys, springs and valves [not including machine elements]; Valves of metal other than parts of machines including those from alloy steel and titanium; Regulators [valves] of metal other than parts of machines
7
Suction valves for gas compressors; Level regulating valves [parts of machines]; Butterfly valves of metal being parts of machines; Non-return valves of metal [parts of machines]; Valves [parts of machines]; Actuators for valves; Pressure valves [parts of machines]; Power operated valves; Automatic inlet control valves for reciprocating air compressors; Pump control valves; Regulators [parts of machines]; Pressure controllers [valves] being parts of machines; Clack valves [parts of machines]; Actuators for dampers; Hydraulic valves; Power valve for carburetors [vehicle parts]; Valves [mechanical] for regulating fluid flow; Valve diaphragms; Fuel valves; Shutter valves; Valves; Compressed air switch valves; Stop valves of metal [parts of machines]; Hydraulically operated butterfly valves; Thermostatic control valves for machines; Unloading check valves for the outlets of air compressors; Pressure reducers [parts of machines]; Vacuum control valves [parts of machines]; Butterfly valves being parts of machines; Temperature control valves [parts of machines]; Safety valves [parts of machines]; Valves for pumps; Valve assemblies of metal [parts of machines]; Valves operated by changes in pressure; Servo-control valves; Slide valves [parts of machines]; Hydraulic valves [parts of machines]; Valves operated automatically by pneumatic control; Hydraulic valve actuators; Sludge cocks [valves] being parts of machines; Metal safety valves [parts of machines]; Stop valves [parts of machines]; Suction valves for air compressors
40
Forging of metal goods to the order and specification of others; Processing of metal surfaces using precision grinding techniques; Metal stamping; Metal treating; Metal finishing; Processing of used exhaust catalysts for recovery of noble metals; Stainless steel brushing services; Coating of cylinders with chromium plate; Heat treatment and coating of steel; Heat treatment of pipes and tubes made of metal; Processing of metal surfaces by precision grinding and abrasive polishing; Treating [forging] of metal; Galvanising of metal; Custom manufacture of steel construction elements; Steel cutting; Vapour depositing on metal surfaces; Treating [shaping] of metal; Treatment of metal parts to prevent corrosion; Hard chromium plating of metal surfaces; Metal tempering; Sawing of materials; Treatment and coating of metal surfaces; Blacksmithing; Shaping of metal components; Metal pressing; Hard chromium plating and hard nickel plating of metal surfaces; Cold forming of metal; Metallizing; Metal laminating; Coppersmithing; Polishing of metals; Millworking; Metal plating and laminating; Sawmills, planing [sawmill]; Recovery of precious metals; Hard nickel plating of metal surfaces; Surface finishing of metal articles; Metal hardening; Metal colouring [not painting]; Metal coating [not painting]; Exterior and interior plating of pipes and tubes made of metal; Processing of iron oxides; Refining of metals; Stainless steel polishing services; Extruding of metal alloys; Enamelling of metals; Machining parts for others; Cutting of metal; Metal brazing; Nickel plating; Heat treatment of metal surfaces; Drilling of metals; Chromium plating of metallic objects; Metal casting; Treating [tempering] of metal; Metal melting services; Chromium plating of metal articles; Treating [enamelling] of metal; Heat treatment of metals; Treatment of metal parts to prevent corrosion using hot-dip galvanizing and powder coating processes; Die-casting of metals; Abrasive polishing of metal surfaces; Treating [stamping] of metal; Metalworking; Treating [embossing] of metal; Treatment of slag arising from metal casting; Processing of metal surfaces by abrasive polishing; Applying finish to stainless steel sheets and coils; Metal plating