Assertion: cue | /r/HasAspect | phenolic resin
Facets:
value: to ensure
type: PURPOSE
Source sentences:
text: Pool break cues have tips made from very hard leather (sometimes layered) or phenolic resin to ensure that the full force of the stroke is transferred to the cue ball during the break shot , and to avoid excessive wear-and-tear on the tips and ferrules of players' main shooting cues.