About: http://webisa.webdatacommons.org/409553031

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 stiffening element is a rod or wire preferably with a circular transverse cross-section ranging in diameter from about 0.015 to about 0.025 inch (0.38-0.64 mm.).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com