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Look at how much it is, forget about 1 piece, pick it up if you have more than one piece, if you are a local tyrant, please feel free
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Don't ask for 5 cents, pick up 100.
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First of all, look at the face value, less than 10 yuan, forget it, if you can get it out, you can use it with a simple treatment, then you need it.
Don't ask for it. There is no value in repairing, and the water in the toilet is conductive which will cause damage to the internal short circuit.
It depends on the importance of what you have in your wallet and the hygiene of the toilet.
If you fall into it, you will want it, and if you can't get it, you don't want it. It is not good to repair the mobile phone if it takes too long to get into the water, so what personal belief cannot be recovered.
If the battery is swollen, it means that the internal short circuit of the battery cell is irreversibly damaged, as long as the battery is not swollen and wiped clean, it can be reused.
As long as it's not bad, it's okay, unless you're a rich second generation, or a local tyrant.