2. Turn on the blower and blow the plastic film on the door with hot air, as shown in the figure below.
3. Blow open the plastic film on the door and tear it off by hand.
Next, take out scouring pad to wipe the plastic film left on the door.
5. Take out the rag and alcohol below and pour the alcohol on the rag.
6. Finally, clean the door with a rag soaked in alcohol, as shown below.