joeygong2528 joeygong2528
  • 05-02-2024
  • Physics
contestada

APRs must be used only in atmospheres that are NOT oxygen deficient or oxygen enriched and are not IDLH because:
1) the ambient air supplies the oxygen.
2) the air generator may fail at any moment.
3) the purifying canister may be expired or damaged.
4) the responder may not properly use the equipment.

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