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A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask Head protection helmet for use with Ocean Reef full face diving mask. A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas. [1]
Avoid or prevent accidents resulting in unconsciousness. Use of a full face mask or diving helmet to protect the airway. [ 6] Use of surface-supplied diving equipment with voice communications. [ 7][ 5] Adequate swimming skills and fitness for the circumstances. [ 8] Use of snorkel when appropriate.
Diving mask. A diving mask (also half mask, dive mask or scuba mask) is an item of diving equipment that allows underwater divers, including scuba divers, free-divers, and snorkelers, to see clearly underwater. [ 1][ 2] Surface supplied divers usually use a full face mask or diving helmet, but in some systems the half mask may be used. [ 2]
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Beginning in shallow water, trainees worked their way up to more challenging depths. After about seven years of training, a girl was considered a "full-fledged" haenyeo. [4] Today, the oldest haenyeo are over 80 years old, and have been diving for more than 66 years. [5] [non-primary source needed]
Inhaling from a mouthpiece becomes second nature very quickly. The other common arrangement is a full-face mask which covers the eyes, nose and mouth, and often allows the diver to breathe through the nose. Professional scuba divers are more likely to use full-face masks, which protect the diver's airway if the diver loses consciousness. [43]
Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either from the shore or from a diving support vessel, sometimes indirectly via a diving bell. [ 2] This is different from scuba diving, where the diver's breathing equipment is completely self ...
t. e. A self-contained breathing apparatus ( SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health from a gas cylinder. [ 1] They are typically used in firefighting and industry. The term self-contained means that the SCBA is not dependent on a remote supply ...
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