Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. metal
8. [metal by form]
9. bronze powder

Anotations

Scope note:

Finely granulated copper with numerous metallurgical applications produced by various techniques such as electrolysis, atomization, hydroscopy. Each method of manufacture yields a powder with its own inherent characteristics.