What do you need to maintain for small car maintenance?

Small maintenance generally refers to routine maintenance items that are made at the time or mileage specified by the manufacturer to ensure vehicle performance after a certain distance. Mainly includes the replacement

Solve the problem of slow ink drying

How to solve the slow drying of ink
If the ink is firmly fixed, it is dried from the inside to the outside. In this case, although the surface of the ink solidifies against static pressure, the ink layer is not able to withstand friction.
The ordinary inks used for the printing of Zh