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I want to know too!
Isn't it all underground?
In the past, the land that I went to school in textbooks had the ability to purify itself, and the water also had the ability to purify itself, did it decompose?
I really don't understand! 1
1Try it all by hand, if you really can't do it, you can't help it.
Of course not, from the sewer to the septic tank, and then it decomposes naturally, into gases and liquids, and the gases volatilize into the air, and the liquids seep into the soil, and the residue needs to be disposed of regularly. >>>More
Use iron hooks, tongs, and other tools to remove these plants and avoid clogging the pipes.
1. If the bottle is bigger than the pipe and can't fall at all, then don't worry at all, just pick it up. >>>More
First, the toilet is drained, 32CM from the center of the wall, 150CM from the opening distance two, the sewer, 25CM from the center of the wall, 60CM from the opening distance 3, the floor drain drainage, 25CM from the center of the wall, 60CM from the opening distance 4, the water pipe from the wall, between 30-40CM from the ground height.