Assertion: skater's skate | /r/HasProperty | sharpened
Facets:
value: with a rotating grinding wheel
type: MANNER
value: by a grindstone
type: OTHER
value: as a general rule
type: OTHER
Source sentences:
text: As a general rule, skates should be sharpened after every 4-8 hours of use.
text: Skates are sharpened by a grindstone, and the deeper the cut, the quicker the user can stop or turn on the ice.
text: The skate is sharpened with a rotating grinding wheel.