About: http://webisa.webdatacommons.org/181880504

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As for sharpening, if cost is an issue, a handheld grinder is a good tool for it, but yes, take them off.
http://www.w3.org/ns/prov#wasQuotedFrom	lawnsite.com