National Occupational Classification (NOC) 2016 Version 1.0
- 7 - Trades, transport and equipment operators and related occupations
- 73 - Maintenance and equipment operation trades
- 731 - Machinery and transportation equipment mechanics (except motor vehicles)
- 7311 - Construction millwrights and industrial mechanics
- 7312 - Heavy-duty equipment mechanics
- 7313 - Heating, refrigeration and air conditioning mechanics
- 7314 - Railway carmen/women
- 7315 - Aircraft mechanics and aircraft inspectors
- 7316 - Machine fitters
- 7318 - Elevator constructors and mechanics
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