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2. Underwater cutting and welding - Wikipedia

   en.wikipedia.org/wiki/Underwater_cutting_and_welding

   Oxygen arc cutting and arc welding underwater requires greater skill and stamina than working in a dry and stable environment. The underwater environment imposes several limitations and restrictions on both the equipment and the operator, and the restriction of short bottom times at greater depths for surface-oriented divers makes efficient working important to getting the job done in a ...

3. 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 ...

4. Hyperbaric welding - Wikipedia

   en.wikipedia.org/wiki/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. It is predominantly referred to as "hyperbaric welding" when used in a dry ...

5. Konstantin Khrenov - Wikipedia

   en.wikipedia.org/wiki/Konstantin_Khrenov

   A modern underwater welding. Khrenov dedicated his entire career to the development of welding techniques and equipment. He invented methods of electric welding and cutting metals under water, designed power sources for arc and spot welding, ceramic fluxes, electrode coatings, methods of cold pressure welding, diffusion welding, plasma cutting and many others. [3]

6. Army engineer diver - Wikipedia

   en.wikipedia.org/wiki/Army_engineer_diver

   Army's 7th Engineer Dive Detachment. Army engineer divers are members of national armies.Army engineer divers are trained in underwater construction, salvage, demolitions, hydrographic survey, hyperbaric chamber operation, beach and river recon, bridge recon, underwater cutting and welding, side scan sonar operations, mine and countermine operations, and search and recovery operations.

7. Category:Underwater work - Wikipedia

   en.wikipedia.org/wiki/Category:Underwater_work

   Work activities conducted underwater. Not the occupations, not projects, not organisations, only types of work activity done underwater. Not all underwater work involves diving. Equipment and tools specifically used for underwater work go in Category:Underwater work equipment or subcategory.

8. United States Navy Experimental Diving Unit - Wikipedia

   en.wikipedia.org/wiki/United_States_Navy...

   Experimental diving in the US Navy started in 1912 at the Brooklyn Navy Yard under the leadership of Chief Gunner George D. Stillson. [1] Stillson's research program ultimately led to increasing diver capabilities from 60 feet (18 m) to over 300 feet (91 m) of depth based on Haldane's decompression work with the Royal Navy.

9. Underwater construction - Wikipedia

   en.wikipedia.org/wiki/Underwater_construction

   Underwater cutting and welding, may be necessary, though in most cases it can be avoided in new construction. Commercial diving, is used when necessary or when it is an economical alternative, when work must be done by a human operator at an underwater worksite. Hyperbaric work may be appropriate in a pressurised caisson.