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. [image-making processes and techniques]
6. [photography and photographic processes and techniques]
7. photographic techniques
8. [photographic processing and presentation techniques]

Anotations

Scope note:

Photographic processing designed to preserve a print or negative for as long as possible by protecting it against deterioration due to chemical reactions. For activities involving the arrangement and description of archival materials use "processing" plus terms for the form of material being processed.