Are the stevedores in Yuci Instant Noodles Factory tired?

There are all kinds of foods for producing instant noodles, which require a lot of labor and work. Some jobs are hard, especially manual labor. The stevedores have the hardest job, moving things around and earning less money. Some positions are easier, such as management positions. Management positions are responsible for managing employees, not manual labor. This job is not tiring and the salary is high.