These drills would make employees more educated when it comes to how to deal with fires, if they knew how to deal with fires and or how to prevent the fires, the fire would not have been as serious or would have never happened in the first place.
The drills would educate the employees when it came to dealing with fires. If they would've known how to deal with fires and or how to prevent fires; the fire wouldn't have been as serious or would've never happened.
