Assertion: bleach's hydrogen peroxide | /r/ObjectUse | used for bleaching
Facets:
value: in 1882
type: TEMPORAL
Source sentences:
text: Hydrogen peroxide was first used for bleaching in 1882, but did not become commercially important until after 1930.
text: Hydrogen peroxide was first used for bleaching in 1882, but did not become commercially important until after 1930.