Assertion: phosphorus's form | /r/CapableOf | use as fuel
Facets:
value: in pyrotechnic mixtures
type: MANNER
Source sentences:
text: Phosphorus forms several sulphides, among them P 4 S 3 , used as a fuel in pyrotechnic mixtures, such as in the tip of a strike-anywhere match, where it replaces the dangerous white phosphorus.