I engaged in welding work for ten years.

我从事电焊工作十年。

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However, after cleaning has been performed, no further welding work shall be carried out.

但是清洗完成后不能立刻进行焊接工作。

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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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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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