Assertion: pedal | /r/CapableOf | form curved-in shape
Facets:
Source sentences:
text: whether all the pedals are at the same height relative to the floor ("flat"), or whether the pedals in the middle are lower than those on the outer edges, forming a curved-in shape ("concave"), and whether all the pedals are completely parallel to each other ("parallel"), or whether the pedals are closer together at the far end than at the end closest to the organ console ("radiating").