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The hand signal "OK". Diver communications are the methods used by divers to communicate with each other or with surface members of the dive team. In professional diving, diver communication is usually between a single working diver and the diving supervisor at the surface control point. This is considered important both for managing the diving ...
Diving stage used to control ascents and descents of surface-supplied divers. In underwater diving, ascending and descending is done using strict protocols to avoid problems caused by the changes in ambient pressure and the hazards of obstacles near the surface such as collision with vessels. Diver certification and accreditation organisations ...
Doing It Right (DIR) is a holistic approach to scuba diving that encompasses several essential elements, including fundamental diving skills, teamwork, physical fitness, and streamlined and minimalistic equipment configurations. DIR proponents maintain that through these elements, safety is improved by standardizing equipment configuration and ...
and the response meaning, "Yes, everything is OK." [18] At distances where the standard OK gesture may be hard to see, divers use larger signals as an alternative, either with one hand atop the head and the elbow bent out to the side, or with both hands touching above the head so that the arms form an "O" for "OK". [19]
A hitchhiker may wave the hand, emphasizing the directional meaning. This is similar to the "thumb towards the door" gesture, for "get out of here!" [21] In scuba diving, the thumbs-up gesture is a specific diving signal given underwater, in which the diver indicates that he or she is about to stop his or her dive and ascend. This occasionally ...
Diving procedures generally involve the correct application of the appropriate diving skills in response to the current circumstances, and range from selecting and testing equipment to suit the diver and the dive plan, to the rescue of oneself or another diver in a life-threatening emergency. In many cases, what might be a life-threatening ...
Glossary of underwater diving terminology. This is a glossary of technical terms, jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving can be described as a human activity – intentional, purposive, conscious ...
Hand signals. Hand signals are agreed gestures that people make with their hands or body to communicate in a non-verbal way. When used in traffic, hand signals are often used to convey driver's intention of their next movement. In some countries, hand signals can apply to any vehicle whose signal lights are missing or damaged.