Assertion: petri dish | /r/MadeOf | plastic
Facets:
value: these days
type: TEMPORAL
Source sentences:
text: A Petri dish is a shallow nesting dish made of glass or plastic that is typically used in laboratories.
text: A petri dish is a flat dish made of either plastic or glass.
text: Most cell culture dishes, petri dishes and contact dishes are made of plastic these days.
text: A petri dish is a flat dish made of either plastic or glass.