To use the stab braking method while transporting liquid cargo, you should apply the brakes:

Question

The stab braking method for emergency stops involves fully applying the brakes until they lock up. The brakes are then released until the wheels start rolling, and then the process is repeated.

Accepted Answer

Completely until the wheels lock up. Release the brakes until the wheels start rolling, then repeat the process.

Answer

With about half of your usual force.

Answer

As hard as possible without locking the wheels.