Assertion: piggy bank | /r/MadeOf | porcelain
Facets:
value: usually
type: DEGREE
Source sentences:
text: Piggy banks are usually made of ceramic or porcelain.
text: Piggy banks are typically made of ceramic or porcelain, and therefore are also known as porcelain pigs.
text: Piggy banks used to commonly be made of a material such as porcelain or glass, and required that the owner break them in order to access the money stored inside.