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2. Hyperbaric welding - Wikipedia

   en.wikipedia.org/wiki/Hyperbaric_welding

   Underwater welding Underwater welding habitat for dry hyperbaric welding. Hyperbaric welding is the process of extreme welding at elevated pressures, normally underwater. [1] [2] Hyperbaric welding can either take place wet in the water itself or dry inside a specially constructed positive pressure enclosure and hence a dry environment.

3. Navy diver (United States Navy) - Wikipedia

   en.wikipedia.org/wiki/Navy_diver_(United_States...

   Navy divers work in extreme conditions, performing various underwater tasks ranging from underwater ship repair, underwater salvage and special operations/special warfare type diving. Because their area of operations are so varied, they can be required to utilize any type of diving equipment for use in any depth or temperature in any part of ...

4. United States military divers - Wikipedia

   en.wikipedia.org/wiki/United_States_military_divers

   Army Engineer Divers of Corps of Engineers – Trained in underwater construction, salvage, demolitions, hydrographic survey, hyperbaric chamber operation, beach and river reconnaissance, bridge reconnaissance, underwater cutting and welding, side scan sonar operations, [clarification needed] mine and countermine operations, search and recovery ...

5. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   Open electrical arcs (as created by arc welding and other processes) generate much higher amounts of light and UV radiation, requiring the whole face to be protected; most welding goggles do not have a dark enough shade for arc welding. Speedglas welding helmet. The modern welding helmet used today was first introduced in 1937 by Willson ...

6. Diving helmet - Wikipedia

   en.wikipedia.org/wiki/Diving_helmet

   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.

7. Joe Savoie - Wikipedia

   en.wikipedia.org/wiki/Joe_Savoie

   Hilbert Joseph Savoie Jr., [1] known as Joe Savoie (25 January 1926, Pointe au Chen, Louisiana – 10 March 1996, Boutte, Louisiana), [2] [3] was a pioneering commercial diver and inventor of lightweight diving helmets, particularly the neck dam feature which allows the helmet to be sealed to the diver independently of the diving suit.