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• 18:48, 26 September 2026 HungBourassa2 talk contribs created page Workshop Air Quality: Why Fume Extraction Matters For Welders (Created page with "Welding produces fume made up of fine particulates and gases, and the composition varies depending on the process, the filler material and any coatings on the base metal. Fume rises from the arc and, without adequate control, can build up in the breathing zone of anyone working nearby, which is why extraction is treated as a core part of workshop set-up rather than an optional extra.<br><br>An auto-darkening welding helmet uses a liquid crystal filter that switches autom...")