Assertion: nitrate film | /r/CapableOf | remain standard
Facets:
value: for theatrical 35 mm films
type: OTHER
Source sentences:
text: The changeover was completed for X-ray films in 1933, but although safety film was always used for 16 mm and 8 mm home movies, nitrate film remained standard for theatrical 35 mm films until it was finally discontinued in 1951.