All of the preparation steps on the checklist must be checked and completed by the Contractor entry Supervisor and any additional precautions are taken before entry into the confined space.

进入密闭空间前，作业主管必须检查和完成检查清单上的所有准备步骤并采取任何必要的附加措施。

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All of the preparation steps on the checklist must be checked and completed by the Contractor entry Supervisor and any additional precautions are taken before entry into the confined space.

进入密闭空间前，作业主管必须检查和完成检查清单上的所有准备步骤并采取任何必要的附加措施。

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