The teams and groups to strengthen the control and management, indicating the nature or typeofdanger or hazard, standards, and other matters of attention, in order to alert the scene personnel.
各班组要强化控制管理,标明危险或危害的性质、类型、标准定量、注意事项等内容,以警示现场人员。
2
But where the boundaries between danger, potential damage and safety lie, and how they vary with the type and number of ash particles, was not taken into account in the decisions to close airspace.