Pit carts are supplied with nearly anything the team needs. It has tools, spare parts, and even a television. It also carries air pressure tanks. Big pieces of duct tape are even stuck to the cart to save time in case they are needed. Other things are made ready for the race.
Air guns are ready and coiled neatly.
Water is in a rollable tank in case it is needed for cars that are overheating. Tires are laid out in the pits in sets for pit stops. Teams try to make sure they have things ready to do any of the minor repairs and adjustments in the pits. The car is inspected Sunday morning for any violations that the teams might have done to the car. Once the race begins, the pace car leads all drivers around the track for a couple of laps.