Assertion: carbon tetrachloride | /r/ObjectUse | used as pesticide
Facets:
value: to kill insects
type: PURPOSE
Source sentences:
text: Until recently, carbon tetrachloride was used as a pesticide, but this was stopped in 1986.
text: Despite carbon tetrachloride being used as pesticides to kill insects in grains, its usage was banned in U.S. in 1970 owing to the increasing health concerns related to tetrachloro carbon-containing pesticides.