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2. Arc welding - Wikipedia

   en.wikipedia.org/wiki/Arc_welding

   Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.

3. Carbon arc welding - Wikipedia

   en.wikipedia.org/wiki/Carbon_arc_welding

   Carbon arc welding (CAW) is an arc welding process which produces coalescence of metals by heating them with an arc between a non-consumable carbon electrode and the work-piece. It was the first arc-welding process developed but is not used for many applications today, having been replaced by twin-carbon-arc welding and other variations.

4. Gas tungsten arc welding - Wikipedia

   en.wikipedia.org/wiki/Gas_tungsten_arc_welding

   GTAW weld area. Manual gas tungsten arc welding is a relatively difficult welding method, due to the coordination required by the welder. Similar to torch welding, GTAW normally requires two hands, since most applications require that the welder manually feed a filler metal into the weld area with one hand while manipulating the welding torch in the other.

5. Hardfacing - Wikipedia

   en.wikipedia.org/wiki/Hardfacing

   For each industrial application and wear phenomena, there is a welding electrode to provide wear resistance. Hardfacing can be deposited by various welding methods: Shielded metal arc welding; Gas metal arc welding, including both gas-shielded and open arc welding; Oxyfuel welding; Submerged arc welding; Electroslag welding

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   www.aol.com/lifestyle/walmarts-black-friday-sale...

   There's not much time left to shop Walmart's early Black Friday sale, so you'd better hurry. The early deals launched on Monday, November 11, and will stop on November 17. This early deals drop by ...

7. 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.