Assertion: cigarette filter | /r/MadeOf | cellulose acetate fibre
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Cigarette filters are usually made from cellulose acetate fibre, but sometimes also from paper or activated charcoal (either as a cavity filter or embedded into the cellulose acetate).
text: Cigarette filters are usually made from cellulose acetate fibre, but sometimes also from paper or activated charcoal (either as a cavity filter or embedded into the cellulose acetate).