About: http://webisa.webdatacommons.org/117572357

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	This process occurs quite rapidly particularly with the unskilled person and the blade must be resharpened with an abrasive frequently thereby removing more metal from the blade and shortening its effective life and usefulness.
http://www.w3.org/ns/prov#wasQuotedFrom	strutpatent.com