Once you're out and evacuating, you want to keep as much of your skin, your mouth and nose covered, as long as that covering doesn't impede you moving and getting out of there.
Gdy już się wydostaniecie i ewakuujecie, powinniście okryć skórę, usta i nos, o ile to okrycie nie ogranicza wam ruchów i nie utrudnia ucieczki.