Trivia: On the strip mall sign in the scene where it shows Catherine pulling into work, there is a sign that says "Bobby Lee Duke's Lolly Pop Shop". Bobby Lee Duke was the coach of the Giants in "Facing the Giants" who enjoyed lolly pops.
Trivia: In the scene just before Caleb destroys his computer, where the computer desktop can be viewed, his start bar says "repent" instead of "start."
Answer: As a Firefighter, in a fire your own life and safety are your top priority. You can't save anybody if you become a casualty. And you never take your mask off. We are trained to work in all our gear, it all stays on until we come out.