Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. [cooling, heating and humidifying equipment]
8. temperature control equipment
9. [fire-making and controlling equipment]

Anotations

Scope note:

Cut pieces of hard, non-porous material, originally rock, that can take a sharp edge. Frequently these are made of flint stone, but can also be any kind of chert, quartz, agate, jasper or chalcedony. These are used to produce sparks by friction against a iron striker or firesteel.