Assertion: piano's hammer | /r/CapableOf | hit a metal string
Facets:
value: on a large frame
type: LOCATION
Source sentences:
text: When this happens, the hammer will hit a metal string on a large frame that is held in tension.
text: Pressing keys causes mechanical hammers to strike metal strings, metal reeds or wire tines, leading to vibrations which are converted into electrical signals by magnetic pickups, which are then connected to an instrument amplifier and loudspeaker to make a sound loud enough for the performer and audience to hear.