How to erase "pen drawing" and "pencil" after typing?

1. Squeeze some toothpaste on the wet cloth and erase the handwriting with a pencil or colored crayon.

2, also can use 2B rubber or soft rubber gently wipe try, also can easily decontamination.

3. Dip 1.84 disinfectant in the handwriting with a toothpick. The above is the method of erasing after pen drawing and pencil typing.