How to remove ceramic labels
1. After tearing it off, apply it with kerosene or gasoline and remove it in one go.
2. Use kitchen white vinegar to wipe.
3. Erase with a student’s eraser.
4. If none of the above are available, blow it with a hair dryer first, and then it will be easy to tear off while it is hot.
5. Special note: Do not use water first.
6. You can use wind oil to wipe it.