Please, netizens, is there any good way to effectively remove the small poster on the security door,

Here's how to get rid of toilet odors:

First, the odor of the bathroom mainly comes from the flush toilet and floor drain, so to clean the toilet itself, in addition to cleaning the toilet from time to time, it is best to place some toilet cleaners in the flush tank, so that it is equivalent to cleaning it once when flushing. >>>More

The trick to quickly unclog the toilet bowl is very practical.

You can use that kind of flatbed mop with a long handle. It's very labor-saving.

Use a wire to make a hook to hook the paper out, if the hook doesn't work, and then use the leather tiger to pull hard, it should have an effect.

Find someone to fix it, and turn off the general valve for the time being.