金属制品的修理

This class includes the repair and maintenance of fabricated metal products of division 25. This class includes: - repair of metal tanks, reservoirs and containers - repair and maintenance for pipes and pipelines - mobile welding repair - repair of steel shipping drums - repair and maintenance of steam or other vapour generators - repair and maintenance of auxiliary plant for use with steam generators: * condensers, economizers, superheaters, steam collectors and accumulators - repair and maintenance of nuclear reactors, except isotope separators - repair and maintenance of parts for marine or power boilers - platework repair of central heating boilers and radiators - repair and maintenance of fire arms and ordnance (including repair of sporting and recreational guns)

This class excludes: - repair of central heating systems etc., see 4322 - repair of mechanical locking devices, safes etc., see 8020