About: http://webisa.webdatacommons.org/240198459

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	Each of the guide tubes 76a, 76b is preferably formed of lightweight material such as plastics or aluminum, and has a flared end such as at 78b in FIG. 6.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com