
thumb|Disc quern made of basalt stone thumb|Nepali women using quern-stones to grind grains
thumb|Disc quern made of basalt stone thumb|Nepali women using quern-stones to grind grains
A quern-stone is a stone tool for hand-grinding a wide variety of materials, especially for various types of grains.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).