文中介绍了物料提升机在用电安装等方面的措施，来预防建筑施工中物料提升机安全事故的发生。
This paper mainly talks about measures of installing such elevators in electricity so as to prevent accidents that may be caused by building material elevators.
施工企业采取各种措施和活动来预防和控制施工作业过程中发生的安全事故，这些措施和活动的工作步骤序列构成施工企业的安全生产过程。
Some construction enterprises take actions in variety to control and keep them from safety accidents, and work safety process consists of systematic work steps.
阐述了油罐在清洗过程中可能出现的各种事故，以及针对各种事故所采取的预防措施，从而从根本上控制油罐清洗过程中安全事故的发生。
The accidents likely to happen in the oil tank cleaning operation are discussed, and the corresponding measures are presented to prevent the oil tank cleaning accidents and insure the safety.
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