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There is no need to remove it, it is to prevent debris from falling, and the master will remove it when tiling.
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The garden ring on the pipe cannot be removed, it is the fitting of the water pipe.
If our water supply and sewer pipes seepage, who will belong to the loss of pipeline decoration and the cost of repairing the pipeline? >>>More
If you don't change the pipe, you might as well change the squatting without a trap.
What's so bad about this, neighbors, if his upstairs leaks, he also looks for it. If he is unreasonable, you will find the property to solve it.
There is a way, the key is that you have to find a professional waterproof construction personnel. >>>More
Look at how dirty it is, if there is a lot of urine alkali, use oxalic acid. In general, use the toilet cleaner, and the outside is cleaned with magnetism.