Term
SCR
Scuba
Surface time
Tissue group
Trimix
Explanation
Semi-closed rebreather. Scuba that
recycles a portion of exhaled gas.
Self-contained underwater breathing
apparatus.
Elapsed time between surfacing from a
dive and beginning a descent for the
subsequent dive.
Theoretical concept used to model
bodily tissues for the construction of
decompression tables or calculations.
A breathing gas mix of helium, oxygen
and nitrogen.
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