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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]
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]
Practicing mask clearing during entry level training. Water commonly leaks into the mask. This can interfere with clear vision, requiring the diver to flush it out. Reasons for leakage include poor fit, stray hair breaking the seal, facial muscle movement that causes temporary leaks, or the impact of external objects against the mask. [12]
Snorkeling or scuba diving should be all about taking in beautiful aquatic views, and not about water accidentally shooting into your nose, mouth, or eyes. Diving masks shield your face as you ...
Surface supplied diving emergency procedures: Mask or helmet clearing – expelling water from the interior of a helmet or full-face mask. Bailout to scuba – Switching to scuba emergency gas supply. Bailout to pneumo hose – Using the pneumofathometer hose as an emergency gas supply.
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 ...
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