Assertion: skater's blade | /r/HasProperty | sharpened
Facets:
value: with round-edged grinding wheels
type: OTHER
value: many times
type: TEMPORAL
value: with a special machine
type: CAUSE
Source sentences:
text: The blades are sharpened with a special machine that gives them edges, an inside and an outside.
text: You can see that after a blade has been sharpened many times, the profile of the edge should be the same, but closer to the boot.
text: The blades are sharpened with round-edged grinding wheels that create the two edges.