Assertion: polysaccharide's material | /r/ObjectUse | used in food packaging
Facets:
value: traditionally
type: OTHER
value: currently
type: TEMPORAL
Source sentences:
text: Among materials currently used in food packaging, polymers have taken a major share because of
text: Materials that have traditionally been used in food packaging include glass, metals (aluminum, foils, and laminates, tinplate, and tin-free steel), paper and paperboards, and plastics.