Lt. Brandton Romberger leads his crew of firefighters into a drill using dry ice to recreate a smokfilled room.| Michelle LaVigne ~ Sun-Times Media

Mundelein firefighter Ed Anderson prepares to perform a drill with a cover inside of his mask, to recreate a situation where he would be unable to see. | Michelle LaVigne ~ Sun-Times Media

Mundelein firefighter Dan Buhrmester performs a drill with other members of the department inside of an empty office building. | Michelle LaVigne ~ Sun-Times Media

Mundelein Fire Department Lt. Brandton Romberger (far right,) firefighter Dan Buhrmester, and firefighter Steve Dincognito utilize a rope bag during a drill inside of an empty office building.| Michelle LaVigne ~ Sun-Times Media