The assembly line is a method of manufacturing wherein various mass-produced, identical parts are assembled in a sequential manner to create an end product. The division of labor into simple, individual tasks allows relatively unskilled laborers to serially add pieces together to quickly create a final product that they usually do not get to see. Though 20th-century automaker Henry Ford is often credited with introducing the modern assembly line, crude precursors date all the way back to when? Discuss