What is breathing apparatus (BA)?
In the alternative scenario, where there is insufficient oxygen, we need to bring with us our own ready supply in the form of compressed air or gas mixtures in order to survive. This way, it does not matter what the surrounding atmosphere is; it could be water, harmful gas or the vacuum of space.Tragic events demonstrate that inappropriate selection of RPE, where people have used respirators instead of BA, results in fatalities.However, in this piece, we will concentrate upon breathing apparatus.
