Production and business units shall conduct safety education and training for new employees. The initial safety training time shall not be less than 24 hours, and the annual retraining time shall not be less than 8 hours. The safety training time for new employees in high-risk production and business operation units shall not be less than 72 hours, and the annual retraining time shall not be less than 20 hours. Special operations personnel shall receive special safety operation training in accordance with the relevant provisions of the state, and can only work at their posts after obtaining a special operation certificate. New employees include those who have changed their jobs, returned to their original jobs after leaving their jobs for more than 6 months, or adopted new technologies, new materials and new equipment.