Application
08 April 2021
Gases for breathing
Divers, who operate at depths of 300 m and more, depend on oxygen / helium – mixtures as a breathing gas.
Oxygen will be used in airplanes in case of cabin pressure loss for both pilots and passengers at 5000 metre plus altitudes.
![](https://www.eiga.eu/wp-content/uploads/2021/04/Gases-for-breathing-1024x576.jpg)