National Occupational Classification for Statistics (NOC-S) 2006
- H - Trades, Transport and Equipment Operators and Related Occupations
- H3 - Machinists, Metal Forming, Shaping and Erecting Occupations
- H32 - Metal Forming, Shaping and Erecting Trades
- H321 - Sheet Metal Workers
- H322 - Boilermakers
- H323 - Structural Metal and Platework Fabricators and Fitters
- H324 - Ironworkers
- H325 - Blacksmiths and Die Setters
- H326 - Welders and Related Machine Operators
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