Do the staff of the newly-built Zhengzhou subway line 10 need to take an exam?

Need. For the commissioning work of Zhengzhou Line 10, the staff need to undergo professional training and examination to ensure that they have the necessary skills and knowledge to ensure the safety and effectiveness of the commissioning work. During the trial operation of the subway, the safety and efficiency of the staff are very important, and professional examinations and training are needed to ensure the safety and effectiveness of the trial operation.