1. In what ways can critical fire behavior indicators make a difference in choosing the type of tactical ventilation to be used at a fire incident? Be sure your answer includes enough information that a new firefighter can learn from the response. 2. Briefly describe/explain safety considerations related to tactical ventilation. 3. Briefly describe/explain the different types of ventilation. 4. Briefly describe the duties or actions that firefighters must perform to protect and preserve a fire scene. 5. Briefly describe overhaul and related safety before performing overhaul