About: http://webisa.webdatacommons.org/258969506

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	Generally, the projections may have a diameter of about ??? to about 1??? inches and may be attached to the blade assembly by welding, screwing or other suitable means.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com