Final answer:
Mechanization is the term used to describe the situation where unskilled workers perform repetitive tasks using factory machines under the direction of skilled workers.
Step-by-step explanation:
The term that describes the situation where many unskilled workers perform simple and repetitive tasks using factory machines under the direction of skilled workers is mechanization.
Mechanization is the process of using machines to carry out tasks that were previously done by hand or using manual labor.
This practice became common during the Industrial Revolution when technology advancements led to the creation of machines that could automate various processes in factories.
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