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)

Anotations

Scope note:

Process for making beam-shaped reinforced plastic products such as fiberglass window frames. Bundled glass fibers are drawn through low viscosity resin and then pushed into a heated die where the resin is brought to a rigid state by polymerization.