Fabricated Metal Products Repairers

mobile welding repair; repair of central heating boilers and radiators; repair and maintenance of steam or other vapor generators; repair and maintenance of the auxiliary plant for use with steam generators; repair and maintenance of firearms and ordnance(including repair of sporting and
recreational guns); repair and maintenance of nuclear reactors, except isotope separators; repair and maintenance of parts for marine or power boilers; repair and maintenance of pipes and pipelines; repair of metal tanks, reservoirs, and containers; repair of condensers, economizers, superheaters, steam collectors and accumulators; repair of steel shipping drums