Are the operators in the edible oil tank farm tired?

The operators in the edible oil tank farm are very tired. According to the relevant information, the operators in the edible oil tank farm are responsible for oil storage, loading and unloading of oil tankers and tankers, daily inspection of the tank farm, maintenance of equipment and facilities, safety supervision on the job site, tally with bagged ammonium chloride, etc. The working time is 12 hours, which can adapt to shift work.