The Contractor shall install and maintain on site spotlights for danger warning and barriers for effective prevention of job accidents. 承包商应安装并维修现场的警告威胁性的聚光灯和有效预防施工事故的障碍物。
Preliminary Research on Constructive Technology of the Forest Fire Danger Warning(DW) System in the Forest Recreation 森林游憩地火险预警系统构建技术初探
In this issue, we improved the system, and make it achieve the functions of automatic measurement, data storage, calibration and danger warning. 本课题在原设备基础上进行了改进,使系统能够实现非目测测量,并且能够自动校准、存储数据以及危险情况报警。
Precautions about what can happen through wrong handling are classified into the groups DANGER, WARNING and CAUTION according to their urgency and degree of possible harm or damage. 因误操作可能引发的后果的预防措施,依据其紧急情况和可能造成的损伤程度分为危险、警告、小心三组。
Theory and practice of coal mine accident hidden danger monitoring and early warning 煤矿事故隐患监控预警的理论与实践