Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Disciplines (hierarchy name)
4. disciplines (concept)
5. [science and related disciplines]
6. science (modern discipline)
7. engineering

Anotations

Scope note:

The process of reconstructing an existing object by starting with the final product and working through the design process in the opposite direction. It may involve disassembling and examining and analyzing the object or action in detail to discover the concepts involved in manufacture.