I engaged in welding work for ten years.

我从事电焊工作十年。

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This paper enters on practice and laws of isolating electric welding work from flammable and explosive system, and discusses its necessity.

本文从电焊作业与易燃易爆系统隔绝的实践和法规依据入手，分析了电焊作业与易燃易爆系统有效隔断的必要性。

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Second, at the end of the welding work, welding residual welding materials should be returned to the welding material drying room, can not have waste.

其次，焊接工作结束时，焊工应将剩余焊材退回焊材烘干室，不得有浪费。

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The Valencia brothers work at Victor Welding Supply in South Los Angeles, and Cuellar is an employee of LA Rush, an auto parts store.

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So she enrolled in a welding course, passed with a perfect score and did all the work herself.

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