Assertion: piano's hammer | /r/HasProperty | reshaped
Facets:
value: a number of times
type: TEMPORAL
Source sentences:
text: If the grooves have not become too deep, the hammers can be reshaped, by sanding or removing a layer of felt from the hammer's surface, restoring it to its original profile or shape (albeit smaller).
text: If the hammers have very deep grooves, however, or if the hammers have already been reshaped a number of times, the hammers will need to be replaced.