Assertion: eraser | /r/MadeOf | a block of plastic or wood
Facets:
Source sentences:
text: Erasers for chalkboards are made, with a block of plastic or wood, much larger than an eraser for pen or pencil, with a layer of felt on one side.
text: Erasers for chalkboards are made, with a block of plastic or wood, much larger than an eraser for pen or pencil, with a layer of felt on one side.