Variant of NAICS 1997 - Labour Force Survey (LFS) Industries
- 1 - Goods-Producing Sector
- 6 - Manufacturing
- 31-33 - Manufacturing
- 331 - Primary Metal Manufacturing
- 3314 - Non-Ferrous Metal (except Aluminum) Production and Processing
- 33142 - Copper Rolling, Drawing, Extruding and Alloying
- 331420 - Copper Rolling, Drawing, Extruding and Alloying
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