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
$0.00
    2 votes
    Reply 1
    Sort:  
  • Trending
    • Loading...

    Coin Marketplace

    STEEM 0.04
    TRX 0.33
    JST 0.094
    BTC 63506.33
    ETH 1774.56
    USDT 1.00
    SBD 0.39