How did skilled worked fit into Henry Ford's production system

Ford hired skilled workers to supervise the assembly lines

Explanation:

Although unskilled workers could actually do most of the job in the assembly lines with little training, they still needed the little training. They needed to do an amount of work every day, they needed someone to report to, someone to teach them the basics and so on. That person would be a skilled worker.

Ford hired skilled workers to supervise the assembly lines.