Are shoe factory machine operators tired?

The shoe factory machine operators are tired. Machine operators in shoe factories need to stand and operate machines for long periods of time, and the work intensity is high, so they will feel very tired. Standing for long periods of time and performing repetitive movements can put a certain strain on the body, causing muscle fatigue and discomfort. Care and concentration are required during machine operation to ensure the accuracy and quality of operations, which can increase mental stress and fatigue.