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The sewer pipes are all through here, maybe the house is being renovated or has used paint and poured it into the toilet.
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Just leave the door open for a day or two and let it smell.
Generally, this situation will occur in old buildings, there are several situations 1: floor drain 2: toilet 3: wash basin, floor drain and wash basin are generally the smell of sewage, and the toilet is generally smelly, which may be a toilet.
My home and school are close to the school bathroom, what department should I find to complain? Environmental Protection Department.
Pro, there is a relationship, the community property will help you communicate and negotiate a solution.
You can use some hazelnut unscented plant deodorant and spray it in the bathroom to quickly remove the odor. The fragrance-free products do not have any taste, and the plant-derived ones have no effect on people!
It is recommended that you take a look at the wooden door of the Golden Horse Head, and the moisture-proof mat added under the wooden door will definitely not appear in the same situation as your home.