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Because you're using the same sewer pipe as the upstairs, both solid and air will emit sound.
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The sound insulation of the floor is not good, and the silence of the equipment upstairs is not good.
In the Qing Dynasty, toilets were mainly used in the imperial palace, including bedpans, gong buckets, etc., and there was no special toilet, and the place where the toilets were stored was called "clean room". The bedpan filled with charcoal ash is prepared for stool, just cover it with charcoal ash after unraveling, and pour it directly into the gong bucket and cover it with a lid without charcoal ash when urinating. >>>More
In fact, toilets are mainly used in the palace, including bedpans, buckets, etc., and there are no special toilets. >>>More
Knowing that the bamboo piece is not, use the bamboo to cut two or three pencils wide, and it will be over after scraping.
Kidney loss!
1.Nervous breakdown, easy nervousness, a slight urge to urinate, but immediately to go for it. >>>More