Fire & Dert Rescuer (FDR) Fire Rescuer (FR) Lead Fire Rescuer (LFR) Rescue 1122 How much bars pressure should be maintained in lines of hydrant system? September 8, 2021 Admin No Comments A: 3-5 B: 5-7 C: 7-9 D: 9-11 Correct Answer: a View More Details >>
