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Yes, but it is cumbersome to care for and maintain.
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Hello friends, do you think it's okay??? Think for yourself??? How is it possible to fit a toilet on a wooden floor?
Find something to plug first, find a board on top to cover it, and then lay floor tiles on it.
There is toilet detergent, put two handfuls of citric acid, wait for 15 minutes, you can also clean up. The fastest is sulfuric acid. It's a bit dangerous, it will touch out when you see water, it's not much and it's absolutely clean, or recommend citric acid, it's sold in chemical hardware stores, it's very cheap.
The air conditioner is installed on the ground of the living room on the first floor, and the outdoor unit is installed above the door on the first floor.
Fill it with some white cement joints.
It is allowed to leave holes in the wall, and the pipeline is waterproof and plugged after it is done.