1.承包商和主管，机械加工，金属成型，塑造和装配行业及相关行业 Contractors and supervisors, machining, metal forming, shaping and erecting trades and related occupationsNOC 7202 承包商和监督员–电力和电信行业 Contractors and supervisors, electrical trades and telecommunications occupations

2.NOC 7203 承包商和主管，管道安装工 Contractors and supervisors, pipefitting tradesNOC 7204 承包商和监督员–木工行业 Contractors and supervisors, carpentry tradesNOC 7205 承包商和监事，其他建设行业，安装工，维修工和服务商 Contractors and supervisors, other construction trades, installers, repairers and servicers

3.NOC 7231 机械师和加工检察员 Machinists and machining and tooling inspectorsNOC 7232 工具和模具制造商 Tool and die makersNOC 7234 锅炉工 ilermakers

NOC 7235 结构金属和钣金制造者及装配工 Structural metal and platework fabricators and fittersNOC 7236 钢铁工人 IronworkersNOC 7237 焊工和相关机器操作员 Welders and related machine operators

4.NOC 7241 电工除工业和电力系统 Electricians (except industrial and power system)NOC 7242 工业电工 Industrial electriciansNOC 7243 电力系统电工 Power system electricians