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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]
Samantha Cristoforetti demonstrating the use of the Valsalva device in the Sokol space suit. The Valsalva device is a device used in spacesuits, some full face diving masks, and diving helmets to allow astronauts and commercial divers to equalize the pressure in their ears by performing the Valsalva maneuver inside the suit without using their hands to block their nose.
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 ...
Oceanic Worldwide – American recreational scuba equipment manufacturer – Scuba regulators, rebreathers and dive computers. [90] [91] Ocean Reef Group – Full-face masks. [92] Oceans (dive computers). [93] (Oceans S1 Supersonic dive computer) Oceanways – Subsidiary of SeaDive, Manufacturer of snorkelling equipment (masks, snorkels, fins ...
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 ]
Diving suit hoods are worn mainly for thermal protection, but also provide some impact protection and some protection from environmental contact with contaminants and stinging animals like jellyfish. [9] Diving boots - With dry suits, the boots are usually integrated. [3] Safety helmet for scuba diving. (Not part of the breathing apparatus.)
The diver wears a full-face mask or helmet, and gas may be supplied on demand or as a continuous free flow. More basic equipment that uses only an air hose is called an airline or hookah system. [52] [50] [53] This allows the diver to breathe using an air supply hose from a high pressure cylinder or diving air compressor at the surface ...
Sheepskin ushanka winter hat with earflaps. An ushanka (Russian: ушанка, Russian pronunciation: [ʊˈʂankə], from уши, ' ears '), also called an ushanka-hat (Russian: шапка-ушанка, romanized: shapka-ushanka, [ˈʂapkə ʊˈʂankə]), is a Russian fur hat with ear-covering flaps that can be tied up on the crown of the cap, or fastened at the chin to protect the ears, jaw ...
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