水管工、管道安装工和燃气安装工 · Plumbers, pipefitters and gas fitters
标签
#技工、运输与设备操作职业 第 4 页
蒸汽安装工、管道安装工和喷水灭火系统安装工 · Steamfitters, pipefitters and sprinkler system installers
木匠和细木工 · Carpenters and cabinetmakers
砌砖工和绝缘体 · Bricklayers and insulators
绝缘子 · Insulators
技术维护行业 · Technical maintenance trades
机械和运输设备机械师（机动车辆除外） · Machinery and transportation equipment mechanics (except motor vehicles)
铁路车夫与妇女 · Railway carmen/women
飞机机械师和飞机检查员 · Aircraft mechanics and aircraft inspectors
机械装配工 · Machine fitters
电梯建造者和机械师 · Elevator constructors and mechanics
汽车服务技术人员 · Automotive service technicians