1. operation skills: train employees to master the operation skills of production equipment to ensure the efficiency and safety in the production process. For example, how to correctly operate oil press equipment and oil refining equipment.

2. Safe production: train employees to understand and abide by safety regulations to avoid accidents. For example, how to use personal protective equipment correctly and how to deal with dangerous substances.

3. Equipment maintenance: train employees to understand the daily maintenance and maintenance methods of equipment, so as to prolong the service life of equipment and reduce the failure rate. For example, how to check the running state of the equipment and how to lubricate the equipment.

4. Cost saving: train employees to understand the importance of cost control and provide cost saving methods. For example, how to optimize the production process and how to reduce the consumption of raw materials.