More specific terms
- NT 640 Home & family management
- NT 641 Food & drink
- NT 642 Meals & table service
- NT 643 Housing & household equipment
- NT 644 Household utilities
- NT 645 Household furnishings
- NT 646 Sewing, clothing & personal living
- NT 647 Management of public households
- NT 648 Housekeeping
- NT 649 Child rearing & home care of persons