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OSHA says acetylene must not be used at a pressure in excess of how many psig?

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  1. 50 psig
  2. 5 psig
  3. 15 psig

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References

  1. OSHA 29 CFR 1910.253 Oxygen-fuel gas welding and cutting www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.253 Checked 2026-10-10.

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