Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Genres (hierarchy name)
4. object genres (object classifications)
5. [object genres by cultural or intellectual evaluation]

Anotations

Scope note:

Objects produced by industrial technology. These may include such things as machinery, transport vehicles, or military equipment, and mass-produced consumer goods. These are often constructed of hybrid materials which may include metal and plastics.