This topic examines the "Coal Mine Safety Regulations".

Article 7 Coal mining enterprises that meet the safety training requirements stipulated in the Basic Requirements for Safety Training Institutions (AQ/T80 1 1) shall give priority to self-training or entrust institutions with safety training conditions to conduct safety training.

Article 9 The safety training files of the principal responsible persons and safety production management personnel of coal mining enterprises, and the safety training files of special operators and other employees of coal mining enterprises shall be kept for more than three years. Option b is wrong.

Twenty-fifth coal mine special operations personnel shall, before taking the qualification examination, carry out special training on safety production knowledge and practical operation ability in accordance with the prescribed training outline. Among them, the initial training time shall not be less than ninety hours.

Graduates who have obtained vocational high schools, technical schools or technical secondary schools or above are engaged in special operations corresponding to their majors. Those who hold academic certificates and are verified by the examination and certification department are exempted from initial training and directly take the qualification examination.