Assertion: piano's tuning pin | /r/CapableOf | sustain tuning
Facets:
Source sentences:
text: This could be due to such things as loose tuning pins that will not hold the strings tightly enough to sustain a tuning, structural defects in the piano itself, such as a cracked pinblock or plate, or strings that are so old or rusty that the tuner breaks several in attempting to tune the piano.