Assertion: asbestos | /r/ObjectUse | used in the u.s.
Facets:
Source sentences:
text: Chrysotile, sometimes called white asbestos, is composed of wavy, flexible white fibers and comprises 90 to 95 percent of the asbestos used in the U.S.
text: About 5% of asbestos used in construction in the U.S. is brown asbestos.