A firefighter cuts out a seat as they learn which tools work the best.

As temperatures warmed Thursday evening inside the bus, trainer Tim Herstad, at back, discussed the differences between the structure of a sch…

Trainer Tim Herstad, center, shows Falls firefighters the bottom of a school bus, noting it’s nearly impossible to gain access through the floor.

Firefighters use different tools to cut into the roof of the bus, as trainer Tim Herstad observes.

Firefighters Thursday practiced a couple techniques to remove one of their own from the floor of a school bus at Kerry Park.