diving safety
Diving hazards – Agents and situations that pose a threat to the underwater diver
Diving procedures – Standardised methods of doing things that are known to work effectively and acceptably safely
Fault tolerance – Resilience of systems to component failures or errors
Redundancy (engineering) – Duplication of critical components to increase reliability of a system
Scuba skills – The skills required to dive safely using SCUBA, a self-contained underwater breathing apparatus.
Surface-supplied diving skills – Skills and procedures required for the safe operation and use of surface-supplied diving equipment