1. Use soap and a little mixture of ammonia and turpentine to remove a lot of dirt and make the glass surface more shiny (this article applies to ceramic tiles, ceramics, glass, etc.).

2. The optical store discovered that the clerk’s method of handling the trademark on the lens was: use a wide piece of transparent tape to stick it on, and then tear off the tape to take away the trademark. Leave no trace at all,

3. Use a little sodium chloride and water to wipe it off, or use paint thinner.

4. You can use a hair dryer to dry it, and then wipe it gently.

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

6. Wipe with wind oil essence.

7. Use special detergent or sports shoe decontamination cream to wipe.

8. Use the 4b drawing eraser, which is a very soft Korean eraser, to erase it.

9. If the marks that have been left for a long time have hardened, you can use a hot towel to soften them before wiping them.