If the continuing education and training of primary blasting engineering technicians is interrupted, it shall be properly handled by the unit where the engineer works and the training institution through consultation.

The training period of primary blasting engineering and technical personnel shall be no less than two years, and the annual refresher course shall be no less than 200 hours. The training time should be appropriately extended according to the actual work to meet the training requirements, such as allowing the training fee to be settled by stages, delaying the assessment or delaying the issuance of certificates, etc.