What must an employee do after using the hand brakes?

After using the hand brakes, it is essential for an employee to check the brake functionality to ensure they are in good working order and have been properly engaged or released. This is crucial because it helps maintain safety and operational efficiency.

By verifying that the hand brakes are functioning correctly, the employee ensures that the train or equipment remains secure and does not inadvertently roll away. This step is part of the responsibility in maintaining equipment and ensuring the safety of the work area. Proper checks contribute to the overall safety measures in place and help prevent accidents associated with faulty braking systems.

The other options do not reflect the necessary follow-up actions related to ensuring that equipment is safe and operational after using the hand brakes.