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2. 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.

3. What Is a W-9 Form? Here’s When You Need To Fill One Out - AOL

   www.aol.com/w-9-fill-one-163112301.html

   Form W-9 is the Request for Taxpayer Identification Number and Certification form. Not only does the form make things easier for the payer, but it also prevents them from having to withhold taxes ...

4. File:SMAW area diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:SMAW_area_diagram.svg

   English: Diagram of arc and weld area, in shielded metal arc welding, free for description for any language Coating Flow; Rod; Shield Gas; Fusion; Base metal; Weld metal; Solidified Slag; For a reference see File:SMAW weld area.svg (U.S. Army training circular 9-237, figure 5-31)

5. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   Gas Metal Arc Welding [3] 131 135: GMAW Continuous consumable electrode and shielding gas: Industry Gas Tungsten Arc Welding [4] 141: GTAW Nonconsumable electrode, slow, high quality welds Aerospace, Construction (piping), Tool and Die Plasma Arc Welding: 15: PAW Nonconsumable electrode, constricted arc Tubing, instrumentation Shielded Metal ...

6. Form W-9 - Wikipedia

   en.wikipedia.org/wiki/Form_W-9

   Form W-9 is most commonly used in a business–contractor arrangement. [4] Businesses can use Form W-9 to request information from contractors they hire. When a business pays a contractor over $600 during a tax year, the business is required to file Form 1099-MISC, a variant of Form 1099. To fill out Form 1099-MISC, the business may need to ...

7. Shielding gas - Wikipedia

   en.wikipedia.org/wiki/Shielding_gas

   C-40 (60% argon/40% CO 2) is used for some flux-cored arc welding cases. Better weld penetration than C-25. C-25 (75% argon/25% CO 2) is commonly used by hobbyists and in small-scale production. Limited to short circuit and globular transfer welding. Common for short-circuit gas metal arc welding of low carbon steel.

8. File:Submerged arc welding schematic.svg - Wikipedia

   en.wikipedia.org/wiki/File:Submerged_arc_welding...

   You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

9. Orbital welding - Wikipedia

   en.wikipedia.org/wiki/Orbital_welding

   Orbital welding is a specialized area of welding whereby the arc is rotated mechanically through 360° (180 degrees in double up welding) around a static workpiece, an object such as a pipe, in a continuous process.