1, prepare an electric computer.
2. Prepare some brushes.
3. Install the brush on the electric Wan Wen machine.
4. Turn on the electric Wan Wen machine and let it start to rotate.
5. Put the text to be brushed on the rotary brush.
6. Adjust the speed and rotating direction of the electric universal machine to make the brush rub Wan Wen evenly.
7. After a period of time, turn off the electric stationery machine, remove the Wan Wen, and observe whether it has been brushed.