All hot work in confined space must have work Permits of the hot work and confined space and Job Hazard Analysis.
受限空间内的所有动火作业必须要有动火作业许可证和受限空间作业许可证及作业危险性分析。
Continuous oxygen monitoring must be carried out at the period of work in confined space.
在受限空间内作业期间必须进行不间断的氧气监测。
The completed permit should be at or near the entrance of the confined space for the duration of the work.
工作期间，许可证应当放在有限空间的入口处或者附近。
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