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The usual meaning of diving helmet is a piece of diving equipment that encases the user's head and delivers breathing gas to the diver, but the term "diving helmet", or "cave diving helmet" may also refer to a safety helmet like a climbing helmet or caving helmet that covers the top and back of the head, but is not sealed. These may be worn ...
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]
webbing strap system used with diving helmets to hold the helmet assembly down on the diver to prevent buoyancy lifting it when underwater. [45] [46] Jonline. Main article: Jonline. A short line used to connect to a shotline or anchor line, allowing the diver to move a short horizontal distance away to decompress.
Lower part of a standard copper helmet and some other heavy helmets, which clamps to the diving suit, rests on the diver's shoulders, and to which the helmet upper part, or bonnet, is clamped, screwed or bolted. counterlung. See: Rebreather#Counterlungs
The more specific meaning is equipment primarily and explicitly used to improve safety of a dive or diving operation. Equipment intended to improve safety in the second sense includes: Diver's safety harness , to which a lifeline may be attached, including bell harness, AR vest, or jump jacket.
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Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage, civil engineering, pearl shell diving and other commercial diving work, and similar naval diving applications.