Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. visual works components
7. sculpture components

Anotations

Scope note:

Bridge or spacer made of refractory material between a core and the outer mold in casting. It serves a double function as core support while also providing better air flow into the core to aid in its drying before the bronze is poured.