| Keep the cargo as close to the ground as possible | |
| Concentrate the cargo to one side of the rig | |
| Concentrate the cargo at the front and back of the rig | |
| Keep the cargo as far away from the ground as possible |
| Make sure your load isn`t centered | |
| Keep both hands on the steering wheel | |
| Slow down before entering a curve | |
| Keep the air brakes properly pressurized |
| Supplies air to the footbrake or trailer handbrake | |
| Provides a backup route from the air compressor to the air tanks | |
| Carries air controlled by the footbrake or trailer handbrake | |
| Supplies air to the trailer air tanks |