Fire & Dert Rescuer (FDR) Fire Rescuer (FR) Lead Fire Rescuer (LFR) Rescue 1122 How many types of Maintenance? September 9, 2021 Admin 1 A: 01 B: 02 C: 03 D: 04 Correct Answer: c Short Details: Preventive Maintenance Operational Maintenance Corrective Maintenance View More Details >>
3 types