National Occupational Classification (NOC) 2021 Version 1.0
- 6 - Sales and service occupations
- 65 - Sales and service support occupations
- 653 - Support occupations in cleaning and related services
- 6531 - Cleaners
- 65310 - Light duty cleaners
- 65311 - Specialized cleaners
- 65312 - Janitors, caretakers and heavy-duty cleaners
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