What is the content of three understandings, four skills and three skills of forklift trucks?

1, three understandings: understand the process flow, understand the production principle, and understand the equipment performance and structure.

2, four meetings: can operate, can maintain, can judge and troubleshoot, can use protective equipment.

3, 3 is hard, and the safety equipment is hard. The operation technology is too hard, and it is too hard in complex situations.