Assertion: potassium nitrate | /r/CapableOf | grind each component
Facets:
value: with pestle
type: MANNER
value: to a fine powder
type: OTHER
value: with a stone
type: MANNER
Source sentences:
text: Once the potassium nitrate (saltpeter) is obtained using one of the methods below, grind each component (saltpeter, charcoal, sulfur) with a stone or pestle to a fine powder.