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I think this situation belongs to the blockage of your toilet, and at this time, you should find the relevant maintenance personnel to help you clean the toilet.
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Instructions for the toilet. To put on. Just dredge it in the water. Toilets are often used. Water definitely doesn't work.
Find a professional sewer unclogger. They are professional in tools.
I think it's necessary. Because it's dirty, it will affect the luck of the exam.
Scrub the part that splashed with water, and it's no problem, don't worry about it, it won't affect tomorrow's exam, and I'm really helping you look forward to adoption
Soak in detergent for 10 minutes, rinse thoroughly under tap water, and boil water for another 20 minutes, then there will be no problem at all.
You can find a plastic film to do it, and here's how: