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Welder and welding operator mean any operator of electric or gas welding and cutting equipment.
Approved means listed or approved by a nationally recognized testing laboratory. Refer to 1910.155(c)(3) for definitions of listed and approved, and 1910.7 for nationally recognized testing laboratory.
[39 FR 23502, Jun 27, 1974, as amended at 53 FR 12122, April 12, 1988; 55 FR 13696, April 11, 1990; 61 FR 9227, March 7, 1996; 72 FR 71070, Dec. 14, 2007]
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