Assertion: lens | /r/HasProperty | ground
Facets:
value: roughly
type: DEGREE
value: on a lapidary wheel
type: LOCATION
Source sentences:
text: Lenses are made from materials such as glass or plastic, and are ground and polished or molded to a desired shape.
text: The lens is slightly oval and was roughly ground, perhaps on a lapidary wheel.
text: Lenses are made from materials such as glass or plastic, and are ground and polished or molded to a desired shape.