Postal: Lessons Learned from a Visit to the Nation’s Largest Post Office

Mechanics are also constantly on duty, able to fix a machine right away in case of mechanical error. The USPS exists in a time-sensitive environment; it doesn’t have the time to wait for someone to be called in to fix a machine. It needs to be done right away. People want their mail on time. Catalogers need their books in homes on time. No second chances.