About: http://webisa.webdatacommons.org/180927311

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 exterior surface of the tube is considered to be the outer surface taken exclusive of the presence of any external reinforcing structures such as rings, spirals or ribs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com