Assertion: asbestos's material | /r/HasProperty | treated
Facets:
value: chemically
type: MANNER
Source sentences:
text: Asbestos includes the mineral fibers chrysotile, amosite, crocidolite, tremolite, anthophyllite, actinolite and any of these materials that have been chemically treated or altered.
text: Building materials that may contain asbestos should be treated as if they do contain asbestos until laboratory testing proves that they do not.