What do welding curtains protect bystanders from?

The UV light of the electric arc.

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  1. The smell of the metal
  2. The UV light of the electric arc ✔
  3. The sound of the machine

Why: Translucent welding curtains shield people outside the welding area from the UV light of the arc.

Huh, didn't know that: Translucent welding curtains shield people outside the welding area from the UV light of the arc.

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References

Answer: The UV light of the electric arc. Translucent welding curtains shield people outside the welding area from the UV light of the arc.

  1. Welding en.wikipedia.org/wiki/Welding
    shield people outside the welding area from the UV light of the electric arc
    Checked 2026-11-07.

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