Breathing Apparatus BA
Breathing Apparatus BA : A self contained breathing apparatus, or SCBA, sometimes referred to as a compressed air breathing apparatus (CABA), or simply breathing apparatus (BA), is a device worn by rescue workers, firefighters, and others to provide breathable air in an IDLH (immediate danger to life and health) atmosphere. The term "self-contained" means that the breathing set is not dependent on a remote supply (e. g. , through a long hose)
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