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Normal, wear loose ones, don't care, go to a large place when you urinate the most.
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What are you afraid of, the bigger the better, so that others envy you.
This problem is that the parts of the water tank are not flexible after a long time, and it is necessary to deal with it to find a professional repair or replacement.
Then change the switch, the shielding inside the switch is not good. If it's not too much trouble. It is recommended that you check it first, cut it short before attaching and tightening the screws. >>>More
It may be that there is an unstable leakage phenomenon, or it may be the cause of the switch itself. >>>More
It means that the pipe is blocked, the kitchen drainage is easy to block because of oil, you can boil some hot water to try the following, if not, you have to find equipment to dredge.
In this case, you can open the back cover and adjust the water level. You may have a loose inlet valve, just adjust it slightly.