Assertion: tourmaline's inclusion | /r/CapableOf | provide information
Facets:
value: to hide imperfections
type: PURPOSE
Source sentences:
text: These inclusions may provide information with regards to modifications such as heat treatment, impregnation with organic material to hide imperfections such as cracks.
text: These inclusions may provide information with regards to modifications such as heat treatment, impregnation with organic material to hide imperfections such as cracks.