1. Soap with a little mixture of ammonia and turpentine can remove a lot of dirt and make the surface more shiny (this article is suitable for tiles, ceramics, glass, etc. ).

2. Some surfaces can be removed by repeatedly sticking and tearing with transparent adhesive.

3. Wipe it off with a little sodium chloride, or use paint thinner.

You can blow dry with a hair dryer, and then just scrape it gently.

5. Wipe with a cotton swab dipped in nail polish remover.

6, wind oil fine rub.

7. Wipe with special cleaner or sports shoes decontamination cream.

8. You can erase it with 4b eraser for painting, which is a very soft Korean eraser.

9. If the trace left by time becomes hard, you can soften it with a hot towel first and try again.

10, you can try to apply oily substances such as skin cream, which is easy to wipe off.