Be in charge of reviewing and refreshing the job safety analysis and safety operation process annually.

负责每年对岗位安全分析和安全作业指导书进行评估和更新；

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The purpose is to ensure the safety of the operation and maintenance of the process equipment.

目的是确保工艺装置的操作和维修作业安全进行。

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Then, the structure, function, and some key techniques of intelligent aided support system for process safety operation are introduced according to the characteristic of chemical engineering.

根据化工生产的特点，介绍了化工过程安全运行智能辅助支持系统的结构、功能以及其中的关键技术。

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Another change was that the importance of process safety -- focusing on an operation as a whole, rather than small individual accidents -- was one of the lessons of the Texas City disaster and has now been emphasised in the drilling operations as well as BP's refineries, Mr Morrison said.

CNN: BP claims it now leads the way on safety