One evacuation drill it is a test of how to act in the event of an emergency, following a previously established plan based on safety and security procedures. A drill tests the responsiveness of employees, allows you to verify the correct functionality of emergency teams and verify the safety of departure routes and meeting points.
Drills are a useful tool for acquiring good habits in emergency situations. And this is the main reason why a drill should not be left to improvisation, and should be rehearsed and trained in such a way as to avoid uncontrolled dangerous situations, and help to act with control and promptness.