Fires can have several causes and sources of fuel. Most deaths in a fire are caused by smoke inhalation. It is important to remember that the normal evacuation path could be towards the fire. In these cases, alternate routes, away from the fire are to be used. At no time will employees attempt to contain a fire that has progressed past the initial small stage. Explosions can have numerous causes. The results of explosions can range from fires to weakened or collapsed structures.