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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. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   The oxy-acetylene (and other oxy-fuel gas mixtures) welding torch remains a mainstay heat source for manual brazing, as well as metal forming, preparation, and localized heat treating. In addition, oxy-fuel cutting is still widely used, both in heavy industry and light industrial and repair operations.

4. 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.

5. Underwater work - Wikipedia

   en.wikipedia.org/wiki/Underwater_work

   Underwater oxy-arc cutting Underwater fillet weld in a training pool. Erecting formwork (shuttering) and reinforcing steel for casting concrete. (civils) Underwater concrete placement using a tremie or skip (civils) Oxy-arc cutting (salvage, ships husbandry, offshore) Underwater welding (salvage, ships husbandry, offshore)

6. MAPP gas - Wikipedia

   en.wikipedia.org/wiki/MAPP_gas

   However, underwater oxy/fuel gas cutting of any kind has been largely replaced by exothermic cutting [4] because it cuts more quickly and safely. MAPP gas is also used in combustion with air for brazing and soldering, where it has a slight advantage over competing propane fuel because of its higher combustion temperature of 2,020 °C (3,670 °F ...

7. Russia cutting underwater cables 'could be an act of war' - AOL

   www.aol.com/defence-chief-russia-cutting...

   Russia cutting underwater cables could be an act of war, says UK defence chief. Meg Hill. Updated January 8, 2022 at 2:47 AM.

8. Tips for holiday travelers as new U.S. consumer protections ...

   www.aol.com/news/tips-holiday-travelers-u...

   If you thought last year’s holiday travel was insane, well, buckle your seatbelt. AAA projects 79.9 million Americans will travel 50 miles or more from their home over Thanksgiving, an increase ...

9. 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]