Tech 3 and Cave 3 are there:1 funny thing I see in the tech1 documentation from 2008 is they they mention the tech3 and cave3, but these are never developped.
They do:They don't mention rec3
Recreational Diver Level 3
Reach your next diving goals by going to depths requiring more skill and advanced breathing mixtures with Recreational Diver 3. This limited decompression course teaches advanced diving skills, how to use decompression cylinders and double tanks, and helium-based breathing mixtures for deeper...
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