“47-2221.00 - Structural Iron and Steel Workers.” O*NET OnLine, National Center for O*NET Development, www.onetonline.org/link/summary/47-2221.00. Accessed 11 August 2022.
National Center for O*NET Development. 47-2221.00 - Structural Iron and Steel Workers. O*NET OnLine. Retrieved August 11, 2022, from https://www.onetonline.org/link/summary/47-2221.00
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