City and rural carriers deliver and pick up mail, including letters and packages. In addition, they are familiar figures who care about the people they serve, often helping in dramatic ways while making their rounds in neighborhoods 6 days a week. The U.S. Postal Service has many examples of carriers sending for help when senior citizens fail to collect their mail, alerting residents of fires, aiding accident victims, and even stopping burglaries.
Once upon a time the assembly line was the symbol of cutting-edge innovation and efficiency in manufacturing. One day soon 3D printing could give the assembly line a run for its money.
Whereas, in traditional manufacturing, parts and pieces are often collected from...Read More