1. From a hardware standpoint, the processing of mechanical parts involves a wide range of mechanical equipment, such as carts, milling machines, planers, grinders, broaching machines, etc. The inherent machining accuracy of various equipment is different, so to achieve precision parts processing, it depends on how high the accuracy of your parts is, and the corresponding process route and equipment are selected accordingly.

　　2. From a software perspective, it refers to the skills of the operator, which involves the operation skills of the operator of various equipment. These skills include in-depth understanding of equipment, understanding of precision machining, and understanding of the materials of processed parts. These skills can be gradually accumulated in normal work. The key to the operator‘s skills is practice, as well as theory.