Assertion: talc's amount | /r/ObjectUse | used in the manufacture of artex
Facets:
value: until the mid-1980s
type: TEMPORAL
Source sentences:
text: Until the mid-1980s, small amounts of white asbestos were used in the manufacture of Artex, a decorative stipple finish, however, some of the lesser-known suppliers of Artex-type materials were still adding white asbestos until 1999.