Self contained breathing apparatus Firefighters (SCBA) breathing air replenishment system make fire-fighter operations in high rise buildings more efficiency.
Refilling their tanks within the building enable firefighters to save energy by not having to exist the building fill tanks, and re enter again. They should check the hydro-static test date of the cylinder and enters only when IDLH atmosphere if you have certified to wear SCBA and properly fir tested.
Their air tanks don't explode when exposed to heat because they are filled with compressed air not the oxygen.Tank have a burst disk to prevent them to rupture from the increases pressure due to heat.
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