Underwater Centre ~ Dive Seychelles
Tuesday, February 20, 2018
Enriched Air NItrox course under way
Enriched Air ( NITROX) is a very popular way to go diving and we have done 2 courses this week .
It is a DRY course with theory and a lot of mathematics !!
LOTS OF TABLES TO CALCULATE
The Underwater Centre / Dive Seychelles
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