Standard Occupational Classification (SOC) 1991
- I - Occupations Unique to Primary Industry
- I2 - Primary Production Labourers
- I21 - Primary Production Labourers
- I211 - Harvesting Labourers
- I212 - Landscaping and Grounds Maintenance Labourers
- I213 - Aquaculture and Marine Harvest Labourers
- I214 - Mine Labourers
- I215 - Oil and Gas Drilling, Servicing and Related Labourers
- I216 - Logging and Forestry Labourers
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