Why did the fire hydrant say "HR"?
HR, abbreviated as "Hose Reel" or "Hydrant Reel", is the English name of fire hydrants.
A fixed fire fighting tool. The main function is to control fuel, insulate combustion and eliminate fire source. The fire fighting system includes outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher system, and some automatic sprinkler system, water gun system, gas fire extinguishing system, fire detection system, water mist system and so on.
Hydrants are mainly fire engines from the municipal water supply network or outdoor fire water supply network to implement fire fighting, but also can directly connect hoses, water cannons, fire extinguishing. Therefore, the outdoor fire hydrant system is also one of the important fire fighting facilities.
