URI
Notation
64
Caption
Home economics. Domestic science. Housekeeping
Scope Note
Under 64 is classed information about the household, including household articles from the point of view of their use; also housekeeping operations and domestic work on a commercial scale (e.g. hotel-keeping, catering, cleaning, laundering)
Application Note
The 62-1/-9 auxiliaries are applicable throughout 64
Broader class
6  APPLIED SCIENCES. MEDICINE. TECHNOLOGY
Narrower classes
64.01/.08Special auxiliary subdivision for domestic science
640Types of household
641/642Food. Cooking. Dishes. Meals
643/645The home. Household fittings and furnishings
646/649Personal requisites. Household management