Assertion: potassium nitrate | /r/ObjectUse | used in pyrotechnic
Facets:
value: as oxidizers
type: MANNER
value: usually
type: DEGREE
Source sentences:
text: Finally, note that saltpeter is poisonous and flammable (it's used in pyrotechnics and to burn out dead tree stumps).
text: But both Ammonium nitrate and Potassium nitrate are usually used in pyrotechnics as oxidizers.