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It's better to be blocked than to be sparse. Even if you block it, he'll still come out of the kitchen drain of the upstairs resident's house.
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Tip: The kitchen drain is blocked, an easy way to unclog all foreign objects in 3 minutes.
The kitchen drain can be sealed with foaming agent to 5cm below the nozzle, and then the remaining part can be blocked by filling the remaining part with glass sealant. >>>More
There is a lot of oil and impurities in the hotel kitchen, which needs to be dredged with a professional pipe dredging machine. Other unblocking methods will not work. Find a professional! >>>More
The sewer is clogged, so hurry up and learn this trick.
Mr. Vermeer has a good degreasing effect, you can try it. >>>More
The culprit of the easy blockage of the kitchen drain is oil! >>>More