In addition to the core programme, students receive full SCUBA training up to PADI Divemaster or Open Water Instructor, as well as with certifications including NZ Coastguard Boatmaster, Restricted Radio Telephone Operator's Certificate, NZ Red Cross First Aid Provider and DAN Oxygen Provider.
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"Helium tremors" were first widely described in 1965 by Royal Navy physiologist Peter B. Bennett, who also founded the Divers Alert Network.
Peter B. Bennett (born 1932), American doctor and founder of the Divers Alert Network