Maintenance and repair services of fabricated metal products, except machinery and equipment

**Includes:** - maintenance and repair services of: • industrial boilers • steam generators • auxiliary plant for use with steam generators: • condensers, economizers, superheaters, steam collectors and accumulators • nuclear reactors (boiler equipment only), steam generators, boiler equipment or various industrial systems of pipe work • shopping carts, materials handling equipment, etc., for institutions • parts for marine or power boilers - repair of metal tanks, reservoirs and containers - repair of steel shipping drums - mobile welding repair

**Excludes:** - maintenance and repair services of domestic boilers and burners, cf. 54631 - chimney cleaning services, cf. 85340