Gas fitters install, inspect, repair and maintain gas lines and gas equipment such as meters, regulators and heating units in residential, commercial and industrial establishments.
燃气装配工安装，检查，维修和保养住宅，商业和工业机构的天然气管道和燃气设备，如仪表，稳压器和供热单位。
Inspect, test and repair cable and satellite television signals and associated equipment at subscriber's premises.
检查，测试和维修用户住所的有线电视和卫星电视信号和相关设备。
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