ru Technical diving
Technical diving - it is diving outside the no-decompression limits, requiring decompression stops.
Such immersion include one or more components: its a dive deeper than 40 meters and can take place where the overhead environments more than 10 meters away from the exit to the return point (ice diving, diving in caves and so on), it is also accelerated decompression dives with the use of more than one gas mixture during a single dive (air, nitrox, trimix, heliox).
Technical diving - it's not for everyone, it is an activity where the specialists are able to take all the risks, responsibilities and obligations to one person.
