Assertion: acetate's use | /r/HasProperty | proposed as replacement
Facets:
value: for celluloid
type: TRANSITIVE-OBJECT
value: in photography
type: LOCATION
Source sentences:
text: The first commercial use of cellulose diacetate as a plastic was in so-called safety film, first proposed as a replacement for celluloid in photography soon after the beginning of the 20th century.