diving helmet
1Diving helmet — Copper and brass three bolt Soviet diving helmet …
2Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …
3Diving bell — A diving bell is a rigid chamber used to transport divers to depth in the ocean. The most common types are the wet bell and the closed bell. The wet bell is a cable suspended chamber, open at the bottom like a moon pool structure, that is lowered …
4Diving signal — Diving Signals are a form of sign system used by SCUBA divers to communicate when underwater.Some diving equipment such as full face diving masks and diving helmets include voice communication equipment but most divers in recreational diving do… …
5Helmet — For other uses, see Helmet (disambiguation). A woman wearing a cycling helmet A helmet is a form of protective gear worn on the head to protect it from injuries. Ceremonial or symbolic helmets (e.g., English policeman s helmet) without protective …
6Diving suit — Two divers, one wearing a 1 atmosphere diving suit and the other standard diving dress, preparing to explore the wreck of the RMS Lusitania, 1935 A diving suit is a garment or device designed to protect a diver from the underwater environment.… …
7Diving mask — A diving mask showing the retaining strap A diving mask is an item of diving equipment that allows scuba divers, free divers, and snorkelers to see clearly underwater.[1] When the human eye is in direct contact with w …
8Diving equipment — Surface supplied commercial diving equipment on display at a trade show Diving equipment is equipment used by underwater divers for the purpose of facilitating diving activities. This may be equipment primarily intended for this purpose, or… …
9helmet diving — helmet diving, underwater diving in which the diver wears a waterproof suit, weighted shoes, and a copper helmet to which an air hose is attached …
10helmet diver — helmet diver, a person engaged in helmet diving as his work or as a sport …
