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2. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   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 others.

3. Elastomeric respirator - Wikipedia

   en.wikipedia.org/wiki/Elastomeric_respirator

   Elastomeric respirators may be used to protect against welding fumes. [45] [5]: Box2-1 Different welding processes may produce different fumes, both particles and gasses such as carbon monoxide. Oxygen displacement by otherwise-harmless shielding gasses is also a risk. [46] [47] A self-contained breathing apparatus may be needed. [45]

4. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   This is a list of welding processes, separated into their respective categories. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063 ). [ 1 ]

5. Fume hood - Wikipedia

   en.wikipedia.org/wiki/Fume_hood

   The most basic design of a CAV fume hood only has one opening through which air can pass—the sash opening. [5] Closing the sash on a non-bypass CAV hood will increase face velocity (inflow velocity or "pull"), [a] which is a function of the total volume divided by the area of the sash opening. Thus, the hood's performance (from a safety ...

6. Vought V-173 - Wikipedia

   en.wikipedia.org/wiki/Vought_V-173

   The Vought V-173 "Flying Pancake" is an American experimental test aircraft built as part of the Vought XF5U program during World War II. Both the V-173 and the XF5U featured an unorthodox "all-wing" design consisting of a flat, somewhat disk-shaped body (like a pancake flying, hence the nickname) serving as the lifting surface. [ 1 ]

7. 15 sweet and savoury recipes for Pancake Day that are easy ...

   www.aol.com/news/15-flippin-fantastic-recipes...

   8. Cook the pancake on a medium heat for 2-3 minutes, loosening the edges, until the base is golden. 9. Turn the pancake over and cook the other side for 1-2 minutes. 10. Transfer the galette onto ...