Objective To evaluate and compare the effectiveness and tolerability of preoxygenation with the self-inflating bag-valve-mask (BVM) and non-rebreather mask (NRM) as are used before emergency ...

Humans exhale a lot of oxygen along with their waste carbon dioxide. Instead of throwing out this oxygen, a rebreather uses a scrubber to remove the CO2 and replace it with pure oxygen from a bottle.

The Rebreather in The Forest is a crucial item for survival, allowing you to dive underwater for extended periods. Whether you're venturing into submerged caves or hunting for hidden treasures ...