The traces left after the transparent adhesive is torn can be removed by the following methods:
1. Use alcohol or detergent: pour alcohol or detergent on the cotton ball or cloth and gently wipe the traces until they disappear.
2. Use oil substances: pour some olive oil, vegetable oil or edible oil onto a cotton ball or cloth and gently wipe the traces until they disappear.
3. Use toothpaste: Squeeze a proper amount of toothpaste onto a cotton ball or cloth and wipe the traces until they disappear.
4. Use blotting paper: stick the blotting paper on the left trace, gently press for a few minutes, and then tear off the blotting paper, the trace will be sucked away.
5. Use hot water: pour hot water on the left trace, let it soak for a period of time, and then wipe it with cloth or cotton ball, the trace will disappear.
Note: The above methods are only applicable to smooth surfaces. If the surface is rough, using these methods may damage the surface. The test shall be carried out before use to ensure that no damage will be caused.