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  2. Full-face diving mask - Wikipedia

    en.wikipedia.org/wiki/Full-face_diving_mask

    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]

  3. Diving mask - Wikipedia

    en.wikipedia.org/wiki/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 ]

  4. Underwater diving - Wikipedia

    en.wikipedia.org/wiki/Underwater_diving

    Fins and a diving mask are often used in free diving to improve vision and provide more efficient propulsion. A short breathing tube called a snorkel allows the diver to breathe at the surface while the face is immersed. Snorkelling on the surface with no intention of diving is a popular water sport and recreational activity. [38] [44]

  5. Human factors in diving equipment design - Wikipedia

    en.wikipedia.org/wiki/Human_factors_in_diving...

    Masks held in place by adjustable straps can be knocked off or moved from the correct position, allowing water to flood in. Half masks are more susceptible to this, but because the diver can still breathe with a flooded half mask this is not considered a major issue unless the mask is lost. Full-face masks are part of the breathing passage, and ...

  6. Diving helmet - Wikipedia

    en.wikipedia.org/wiki/Diving_helmet

    These may be worn with a full-face mask or half mask to provide impact protection when diving under an overhead, and may also be used to mount lights and video cameras. [3] [4] An alternative to the diving helmet that allows communication with the surface is the full-face diving mask. These cover most of the diver's face, specifically including ...

  7. Human physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Human_physiology_of...

    Having a small internal orinasal mask inside the main mask, which separates the external respiratory passage from the rest of the mask interior. In a few models of full face mask a mouthpiece like those used on diving regulators is fitted, which has the same function as an oro-nasal mask, but can further reduce the volume of the external dead ...

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