In severe weather such as gale, rainstorm, thunder and lightning, fog, etc. Should aerial work in the open air stop?

It may be affected by tropical storms within 24 hours, with an average wind force of more than 8 or a gust of more than 9; Or it has been affected by tropical storms, with an average wind force of 8 ~ 9, or a gust of 9 ~ 10 and may continue.

Guide to defense: 1. It is recommended that kindergartens and nurseries be closed; 2. Residents and ships in dangerous areas and dangerous houses should take shelter from the wind, and outdoor workers should stop working; 3, cut off neon lights and dangerous outdoor power supply; 4. Stop open-air collective activities; Other typhoon blue warning signals.