Can't set it. Ankaohui safety production simulation examination platform focuses on safety production simulation examination service. Provide special operations (electrician operation, welder operation, aerial work, air conditioning and refrigeration operation, metal and nonmetal mine safety operation, hazardous chemicals safety operation, etc.). ), safety certificate (principal, safety management personnel), special equipment practitioners (A special equipment safety management, D pressure pipeline operation, T elevator operation, G boiler operation, Q 1/Q2 lifting machinery operation, N65438+. R pressure vessel operation, P gas cylinder operation), coal mine employees, road transport safety management personnel, ABC certificates of three types of construction personnel, third-party evaluation professional qualification certificates and other simulated examination practice question banks.