Are the packers in the pharmaceutical factory tired?

The packers in this factory are very tired.

Packaging workers in pharmaceutical factories need to complete a lot of packaging work, and repeated operations lead to muscle fatigue and body aches. Packaging workers in pharmaceutical factories need to work for a long time, and they will feel physically tired and mentally stressed. Packaging workers in pharmaceutical factories need to pay great attention to ensuring the accuracy and safety of drug packaging, which will bring certain mental stress.