1.电源线和电缆工人 Electrical power line and cable workersNOC 7245 通信线路和电缆工人 Telecommunications line and cable workersNOC 7246 电信安装工和维修工人 Telecommunications installation and repair workersNOC 7247 有线电视服务和维修技师 Cable television service and maintenance techniciansNOC 7251 管道工 Plumbers

2.NOC 7305 主管，汽车运输和其他地面公交运营 Supervisors, motor transport and other ground transit operatorsNOC 7311 建筑维修工和工业机械师 onstruction millwrights and industrial mechanicsNOC 7312 重型设备技工 Heavy-duty equipment mechanics

3.NOC 7313 加热，制冷与空调技工 Heating, Refrigeration and air conditioning mechanicsNOC 7315 飞机机械师和飞机检查员 Aircraft mechanics and aircraft inspectorsNOC 7316 机械钳工 Machine fittersNOC 7318 电梯制造商和修理工 Elevator constructors ad mechanicsNOC 7321 汽车维修技师，卡车和公共汽车力学和机械维修工 Automotive service technicians, truck and bus mechanics and mechanical repairersNOC 7322 汽车车身维修工 Motor vehicle body repairers