1. Control friction: Add lubricant between the friction surfaces to form a lubricating film, reduce direct metal contact between the friction surfaces, thereby reducing t
Lubrication is the use of lubricants to reduce (or control) the frictional force or other forms of surface damage between two friction surfaces, thereby reducing friction
01 Keep car air conditioning dry When the weather temperature rises and dust increases, the car body is prone to getting dirty, and the frequency of car washing by car ow