Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. forming (physical activity)
6. casting (process)

Anotations

Scope note:

Technique for making small, accurate castings from alloys having high melting points, the mold being made by investing a pattern of wax or similar material that can be removed from the investment by melting it.