Assertion: bowling ball's coverstock | /r/HasAspect | the addition of mica material
Facets:
Source sentences:
text: coverstocks have the addition of mica material blended into the reactive coverstock material.
text: Pearl reactive coverstocks have the addition of mica material blended into the reactive coverstock material.
text: Pearl reactive coverstocks have the addition of mica material blended into the reactive coverstock material.