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When this happens the divers fasten their snag-line ends in position by tying or clipping them to the jackstays or pegging them to the ground, and swim along the snag-line to identify the target, If it is the object of the search, they will mark it, otherwise they free the line, move it over the target, return to their ends and continue the sweep.
Public safety diving team members bring in a casualty Controlling an underwater search from the jetty. Underwater search and recovery is the process of locating and recovering underwater objects, often by divers, [1] but also by the use of submersibles, remotely operated vehicles and electronic equipment on surface vessels.
A lobster hook or lobsterhook is a hook with a handle (often home-made from a length of thick, stiff wire) used to encourage crabs and lobsters to come out of their holes when scuba diving or when searching among rocks in the dry at low tide.
Uncontrolled ascent of diver. Snagging on lift bag as it begins ascent, and being dragged up with it. Precautions can be taken to reduce risk if diver snagging on bag or load. These include the use of a rigid extension pipe to fill parachute-style bags, allowing the diver to remain at a safe distance. [69] Loss of breathing gas.
Communication is central to buddy and team diving. DIR divers must be competent at underwater communication by hand signals and light signals, and to use them to ensure that they are always aware of the status of the rest of the team. DIR divers have an extended range of hand signals, some particularly relevant to overhead and decompression diving.
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Dogs can get UKC titles by competing in dock distance or height jumping like they can in agility, obedience, weight pulling, and others. North American Diving Dogs was founded by Debra Markwardt in 2014 [ 10 ] and offers diving dog titles recognized by the American Kennel Club (AKC) and Canadian Kennel Club (CKC).
Scuba diving education levels as used by ISO, PADI, CMAS, SSI and NAUI Basic diving skills training in a swimming pool. Recreational diver training is the process of developing knowledge and understanding of the basic principles, and the skills and procedures for the use of scuba equipment so that the diver is able to dive for recreational purposes with acceptable risk using the type of ...