Final answer:
The normal course of action in building evacuation involves rescuing victims, administering first aid, and assessing the situation. Evacuation zones may also be set up to protect people from hazardous substances or fallout.
Step-by-step explanation:
In building evacuation, the normal course of action is to ensure the safety and well-being of individuals in potentially hazardous situations, such as fires, accidents, or natural disasters. This may involve rescuing victims, administering first aid, and assessing the situation to report conditions to superiors. Evacuation zones may also be set up to protect people from hazardous substances or fallout.