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Squat on it first and take your time.
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When you use it again, you bring this book in, and you get used to it after a long time.
The function of the two buttons on the toilet is the same, the small button is to drain half or one-third of the water from the tank, and the large button is to drain all the water at once.
1. Flexible ventilation tube.
You can try to insert a long, not hard but not very soft, soft snorkel into it, and flush it with water as you go inside, not too strong to avoid splashing, until it is flushed, and then flush. >>>More
Ask a professional technician to see if there is a blockage in the pipeline, or if the sewer pipe is not aligned.
Are you asking about chemistry or are you wondering what to do? >>>More
Now supermarkets sell a kind of foaming agent, spray a little on the toilet water surface before pooping, the foam will cover the water surface. This kind of water will not make a splash.