Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Functions (hierarchy name)
4. functions (activities)
5. [functions by general context]
6. maintenance
7. protection (maintenance function)
8. preservation (function)

Anotations

Scope note:

A tenet of contemporary Western conservation theory, minimal intervention means minimal interference with materials in physical treatment of objects. This widely accepted framework promotes the application of preventive conservation measures for the preservation of collections while suppressing other more interventive and active conservation approaches.