About: http://webisa.webdatacommons.org/259085626

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	electro-polished, so that the inner diameter of the tip portion becomes smaller than the inner diameter at any portion of the distal portion other than the tip portion.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com