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  2. Anti-fog - Wikipedia

    en.wikipedia.org/wiki/Anti-fog

    Anti-fog agents are available as spray solutions, creams and gels, and wet wipes, while more resistant coatings are often applied during complex manufacturing processes. Anti-fog additives can also be added to plastics where they exude from the inside to the surface.

  3. 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]

  4. 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 ]

  5. Portal:Underwater diving - Wikipedia

    en.wikipedia.org/wiki/Portal:Underwater_diving

    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. Surface supplied divers usually use a full face mask or diving helmet , but in some systems the half mask may be used.

  6. Diving equipment - Wikipedia

    en.wikipedia.org/wiki/Diving_equipment

    A prescription mask, or glasses which can be mounted inside the mask or helmet to provide clear vision underwater, enhancing the experience and safety for those with vision problems. A prescription mask contains lenses mounted in the scuba mask frame or bonded to the original viewports. Diving helmets are often used for surface-supplied diving ...

  7. Demister - Wikipedia

    en.wikipedia.org/wiki/Demister

    Demister (SCUBA), a product used to clear a scuba mask of fog; Demister (vapor), a device that removes entrained liquid droplets from a gas stream; Defogger or demister, a heating device fitted to rear windows of modern automobiles

  8. Snorkel (swimming) - Wikipedia

    en.wikipedia.org/wiki/Snorkel_(swimming)

    A snorkel is used to allow the user to breathe atmospheric air when their face is immersed in water while swimming or floating at the surface. [1] To work effectively, the snorkel must allow the user to inhale and exhale comfortably over an extended period, and provide a sufficient volume of air with appropriate oxygen and carbon dioxide content to maintain a sufficient and comfortable ...

  9. Underwater breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Underwater_breathing_apparatus

    Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...

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