Breathing Protection against SO2

in #environment • 5 years ago

o Most self-contained breathing apparatuses (SCBA) supply air for 30 minutes.
o The other types of breathing protection is a positive-pressure, supplied air respirator (SABA). The over the shoulder, hip-mounted cylinder is also a full-face mask.it is lighter than the SCBA, but restricts the user due to the length of the hose.

5 years ago in #environment by
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