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It's perfectly fine, but it has to be waterproofed upstairs.
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Yes, but you can't move the sewer pipe
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Not very convenient. It is best to have toilets on both floors. It is also convenient for guests.
Yes, but there are drawbacks to doing that, because if someone else does the toilet and you change it to a bedroom, you will hear the sound of the toilet flushing upstairs.
Can you do without a bathroom? As long as you can't see the appearance after the renovation, it's completely fine!
Toilets are mainly used in the palace, including bedpans, buckets, etc., but there are no special toilets, and the place where toilets are stored is 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. The toilets used by the emperor and the concubines are called. >>>More
There are small toilets at both ends of each carriage, which are open when the train is running, and are not open when the station is for platform hygiene.
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