About: http://webisa.webdatacommons.org/196089864

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	The tread area is a problem as a fourth axis (rotary table) is needed to do that.
http://www.w3.org/ns/prov#wasQuotedFrom	woodworkforums.com