Assertion: metal's compound | /r/ObjectUse | used as flame retardants
Facets:
Source sentences:
text: Compounds of boron, silicon, arsenic, and antimony have been used as flame retardants.
text: They and their compounds are used in alloys, biological agents, catalysts, flame retardants, glasses, optical storage and optoelectronics, pyrotechnics, semiconductors, and electronics.