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. [processes and techniques by material]
6. textile processes and techniques
7. [textile construction processes and techniques]
8. [yarn-making processes and techniques]

Anotations

Scope note:

Refers to an early stage in the process of turning flax or similar plants into yarn in which the material is steeped in order to soften and separate the fibrous core of the plant from the outer layer. Basic methods include dew retting and water retting.