Final answer:
When built-in combination locks and combination padlocks are taken out of service, they should be reset to a standard combination of all zeros (0000) or a manufacturer-specified default combination.
Step-by-step explanation:
When built-in combination locks and combination padlocks are taken out of service, they should be reset to a standard combination of all zeros (0000) or a manufacturer-specified default combination.
This is done to ensure that the lock is secured and cannot be accessed by unauthorized individuals. Resetting the lock to a standard combination allows for easy use in the future, as the combination is known.