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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. Welding - Wikipedia

   en.wikipedia.org/wiki/Welding

   Fumes and gases, such as carbon dioxide, ozone, and fumes containing heavy metals, can be dangerous to welders lacking proper ventilation and training. [68] Exposure to manganese welding fumes, for example, even at low levels (<0.2 mg/m 3), may lead to neurological problems or to damage to the lungs, liver, kidneys, or central nervous system. [69]

4. Hyperbaric welding - Wikipedia

   en.wikipedia.org/wiki/Hyperbaric_welding

   Dry hyperbaric welding involves the weld being performed at raised pressure in a chamber filled with a gas mixture sealed around the structure being welded.. Most arc welding processes such as shielded metal arc welding (SMAW), flux-cored arc welding (FCAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), plasma arc welding (PAW) could be operated at hyperbaric pressures, but ...

5. The 5 best US cities to celebrate New Year's Eve, ranked - AOL

   www.aol.com/5-best-us-cities-celebrate-100402607...

   The personal finance website WalletHub has ranked the best places to celebrate New Year's Eve this year, using 26 metrics to evaluate three key areas for prospective partiers — entertainment and ...

6. 'Shocking and unconscionable': Joe Biden mourns victims of ...

   www.aol.com/news/shocking-unconscionable-joe...

   WASHINGTON – President Joe Biden offered his condolences Monday to the victims of a school shooting in Wisconsin and urged Congress to pass tougher gun-control laws. “Today, families in ...

7. L.A. County supervisors seek aid for hundreds of workers ...

   www.aol.com/news/l-county-supervisors-seek-aid...

   L.A. County supervisors want to expedite hiring and training resources for the hundreds of workers who'll be affected when the Phillips 66 refinery closes next year.