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2. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   A welding helmet in use. A welding helmet is a piece of personal protective equipment used by welders to protect the user from concentrated light and flying particles. . Different welding processes need stronger lens shades with auto-darkening filters, while goggles suffice for

3. Chopping and channeling - Wikipedia

   en.wikipedia.org/wiki/Chopping_and_channeling

   Sectioning a car is removing a horizontal section from its lower body, lowering the remaining top section onto the bottom one, and welding the result back together, reducing the body's and thus the car's overall height. [7] Like a top chop, it has the advantage of reducing a car's frontal area and wind resistance. This sort of bodywork is ...

4. Weld purging - Wikipedia

   en.wikipedia.org/wiki/Weld_purging

   Most weld purging is carried out on joints made by the TIG or GTAW arc welding process. [6] When the laser welding process is chosen, joints or welds being made on reactive materials will need to be carried out and in the case of electron beam welding, this is carried out in a vacuum, in which case purging takes place by complete evacuation of all gas.

5. Autogenous welding - Wikipedia

   en.wikipedia.org/wiki/Autogenous_welding

   Autogenous welding is a form of welding in which the filler material is either supplied by melting the base material or is of identical composition. [1] The weld may be formed entirely by melting parts of the base metal, and no additional filler rod is used. There is some variation in the use of this term.

6. Flux-cored arc welding - Wikipedia

   en.wikipedia.org/wiki/Flux-cored_arc_welding

   As with all welding processes, the proper electrode must be chosen to obtain the required mechanical properties. Operator skill is a major factor as improper electrode manipulation or machine setup can cause porosity. Flux-cored arc welding machine. Another type of FCAW uses a shielding gas that must be supplied by an external source.

7. Aaron Rodgers contract details: How releasing or trading QB ...

   www.aol.com/aaron-rodgers-contract-details...

   The New York Jets brought in Aaron Rodgers hoping he could take the team to a Super Bowl. The two sides are expected to part after failing to reach that goal in two seasons together.. The only ...