Tired. Anode grouping involves a lot of physical labor and repetitive actions, which requires a long time of high concentration and accuracy. Long-term high-intensity work can easily lead to physical fatigue and muscle soreness; Anode grouping in aluminum plants is usually carried out in harsh environments such as high temperature, high humidity and high dust. Workers need to be exposed to such an environment for a long time, which may easily lead to physical and mental fatigue.