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2. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   In oxy-fuel welding, a welding torch is used to weld metals. Welding metal results when two pieces are heated to a temperature that produces a shared pool of molten metal. The molten pool is generally supplied with additional metal called filler. Filler material selection depends upon the metals to be welded.

3. Blowtorch - Wikipedia

   en.wikipedia.org/wiki/Blowtorch

   The term "blowtorch" is commonly misused as a name for any metalworking torch, but properly describes the pressurized liquid fuel torches that predate the common use of pressurized fuel gas cylinders. Torches are available in a vast range of size and output power. The term "blowtorch" applies to the obsolescent style of smaller liquid fuel torches.

4. Arc welding - Wikipedia

   en.wikipedia.org/wiki/Arc_welding

   Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when cool, result in a binding of the metals. It is a type of welding that uses a welding power supply to create an electric arc between a metal stick (" electrode ") and the base material to melt ...

5. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   Bare Metal Arc Welding (113) BMAW Consumable electrode, no flux or shielding gas Historical Carbon Arc Welding (181) CAW Carbon electrode, historical Copper, repair (limited) Flux Cored Arc Welding: 136 138: FCAW FCAW-S Continuous consumable electrode filled with flux Industry, construction Gas Metal Arc Welding [3] 131 135: GMAW

6. Shielded metal arc welding - Wikipedia

   en.wikipedia.org/wiki/Shielded_metal_arc_welding

   Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), flux shielded arc welding [1] or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld.

7. 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 ...