Existing comment:
Systems at Work:
The United States Postal Service is a vast, intricate network more than 200 years old and it connects us all. Its mission is to provide service to a growing population with hundreds of millions of delivery locations. Achieving this mission is an ever-evolving challenge of engineering and imagination.
For more than two centuries, the postal system has adopted and invented a remarkable array of new systems and technologies to get the mail into your hands. |