NITROGEN acronym NITR and OXYGEN acronym OX are combined and it is called NITROX.
In particular, a gas mixture with a higher oxygen ratio than air is called high oxygen concentration Nitrox.
High Oxygen Concentration Nitrox is called Enriched Air Nitrox or simply Nitrox and is wrote EAN.
Nitrox that is used for leisure diving commonly is two types of Nitrox of oxygen percentages of 32% and 36% released by the United States Oceanic and Atmospheric Administration for private divers.
