Assertion: sulfur | /r/ObjectUse | used as insecticide
Facets:
value: since ancient days
type: TEMPORAL
Source sentences:
text: Sulfur is used as a fungicide, an insecticide and a fumigant in the production of inorganic chemicals, glass, matches, fireworks and black gunpowder; the manufacture of fertilizers; the creation of steel; and the creation and vulcanization of rubber.
text: Sulfur has been used as an insecticide since ancient days.