Assertion: phosphorus | /r/HasProperty | made for the match industry
Facets:
value: by distilling off phosphorus vapor
type: MANNER
value: in the 19th century
type: TEMPORAL
value: commercially
type: MANNER
Source sentences:
text: Phosphorus was first made commercially, for the match industry, in the 19th century, by distilling off phosphorus vapor from precipitated phosphates heated in a retort.