此单元组的电工铺陈，组装，安装，测试，故障排除和修复建筑物和其他结构内的电线，灯具，控制设备及相关设备。
Electricians in this unit group lay out, assemble, install, test, troubleshoot and repair electrical wiring, fixtures, control devices and related equipment in buildings and other structures.
有线电视服务技术人员安装，维护和修复家庭和商业建筑内的有线电视和卫星电视及互联网信号和相关设备。
Cable television service technicians install, maintain and repair cable and satellite television and Internet signal and associated equipment in homes and commercial buildings.
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