Assertion: keyboard instrument's string | /r/CapableOf | make sound
Facets:
Source sentences:
text: It hits it very quickly and bounces off so that the string is free to vibrate and make a sound.
text: His invention used hammers to hit strings to produce sound, which is how pianos still work three hundred years later.
text: Instead of vibrating strings to make sounds, most keyboards of the electronic variety produce sound by one of the following ways:
text: Mankind’s knowledge that a taut, vibrating string can produce sound goes back to prehistoric times.