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Use a stainless steel floor drain to be strong, and the mouse can't drill it.
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No, snakes and rats can't survive in the sewer environment, and the paintings are blocked with lids.
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It seems that snakes and rats do not come out of the same pipe, and these two are predators.
Catch a mouse, stuff a soybean in its anus, let it go, and the mad mouse bites all the rats away.
Plug holes in the corners of the house and around the toilet, including the connections between downspouts and sewers. It is most environmentally friendly to use a sticky mouse board in a place frequented by rats, but it takes a long time to stick a mouse in one place before you can stick one again. Good luck!
It's not easy to change, and it's very troublesome to change, you have to dig the ground and find the main sewer below the ground
Drains are shared pipes.
If the first floor is changed by itself, and the drainage main is not moved, then it will be blocked again, and people will not be responsible. >>>More
It is better to have a cat on the first floor that is easy to get into mice, so that the rats will be frightened and run away.