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16. The operator must not stay away from his post when operating the hydraulic punching machine. When there is a real situation to leave, stop the machine and cut off the power supply.

17. When the machine is working or adjusting, it is strictly forbidden to put your fingers into the jaws.

18. Operators are not allowed to adjust the system pressure without authorization. If necessary, the maintenance personnel must be notified, and the maintenance personnel must be responsible for the adjustment.