What are the public toilet's ground round copper plates for?
When clogged pipes for convenient maintenance and cleaning, in the pipeline should be set to clean mouth, mouth and ground cleaning name grams tube etc..
It has two functions: one is to maintain a certain water level, so as to avoid the odor coming down from the pipe and entering the room; and the other is to intercept solid material so as not to block the pipeline and can be removed at any time
It's a ground cleaning. The copper buckle can be removed.