What major effect did the assembly line have on factory work, such as the Ford Motor Company?

The major effect the assembly line has on factory work, are gains in productivity. As we know the assembly lines facilitate and speed up the final production. The Ford Motor Company was a pioneer in assembly lines; Henry Ford in his autobiography mentions its principal benefits which are: " Workers not carrying heavy things, do not bend, no special training required, Jobs that almost everyone can do, Provide work to immigrants." As a result workers salary was also increased, also reducing work hours and occupational hazards.