Visible crew/equipment: When Squad 51 is dispatched to 'man injured', in the exterior shot of the squad while en route, when the dispatcher cancels the run the reflection of the filming vehicle can be seen on the side of the squad.
Visible crew/equipment: When Station 51 is dispatched to an unknown type rescue, which turns out to be two people stuck on the side of a building, in the first shot of them the aerial camera tilts down and pans right to left, and as it does the reflection of the crane (supporting the camera) is visible on the building's glass siding, and the crane's outboard legs are also visible as the camera follows the squad into the lot.
Visible crew/equipment: After Early and Brackett do the tracheotomy, when Dix leaves treatment 4 and walks up the hallway, the outline of the mic transmitter and wire are visible on the back of her uniform top, and when she sees Johnny in the hallway, the outline of his mic transmitter is visible on the front of his shirt over his belt.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy