Why must ventilation crews always know the location of interior attack crews? (922)
a. Interior crews and ventilation crews should not be functioning at the same time.
b. Interior crews must wait for confirmation from the ventilation crew before evacuating the building.
c. Ventilation crews can take actions that change the flow path and endanger interior crews.
d. Ventilation crews must wait until an interior crew has extinguished fire in a room before they begin ventilating it.