Assertion: square ground chisel | /r/HasProperty | sharpened
Facets:
value: with either a special chisel grinder
type: OTHER
value: with a special file
type: OTHER
Source sentences:
text: round chisel is sharpened with a round file or any regular grinder, while square chisel is more efficient and fast cutting chain because it is sharpened with either a special chisel grinder, or a special file.