1, disinfectant+hand sanitizer: first rub your fingers with disinfectant for 2 minutes, and then soak them with hand sanitizer for 3 minutes.

2. cleansing oil+detergent: slowly apply cleansing oil to your hands, knead for 2 minutes, then knead with detergent for 2 minutes, and wash with water.

3, alcohol+soap: pour some alcohol on your hand, rub it with soap for 3 minutes, and then rinse it with water.

4. Gasoline+Shampoo: Pour gasoline into the palm of your hand, then squeeze some shampoo, rub it for 2 minutes at the same time, and then clean it.

5. banana oil+washing powder: Wipe with banana oil, add washing powder and rinse with water.

6, rice soup+hand sanitizer: smear ink stains with cooked rice soup, then wash with hand sanitizer, and finally rinse with clear water, repeated 2-3 times.

7, essential balm+wet wipes: Apply essential balm to the ink stain for 2 minutes, then wipe it off with wet wipes, the ink stain will fade by half, and the ink stain will disappear completely after repeated scrubbing for 3-5 faces.

Pen is a widely used writing tool, which was invented at the beginning of19th century. The pen is made of metal, and the writing is smooth, elastic and quite smooth. On the mouth of the pen or the surface of the pen tip, there are obvious trademark numbers and models.