• This unit group includes plumbing and other pipefitting trade contractors who own and operate their own businesses.

    单元包括管道其他管道安装行业承包商,其拥有经营自己的企业。

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  • Industrial mechanics and mill wrights may be cross-trained in a second trade such as pipefitting, welding, machining or electrical maintenance.

    工业机械师维修工第二行业中可以交叉培训,管件焊接机械加工电器维修。

    youdao

  • Industrial mechanics and mill wrights may be cross-trained in a second trade such as pipefitting, welding, machining or electrical maintenance.

    工业机械师维修工第二行业中可以交叉培训,管件焊接机械加工电器维修。

    youdao

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