About: http://webisa.webdatacommons.org/49875722

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	According to one embodiment, the retraction cord consists essentially of silk and is substantially free of man-made fibers such as nylon and polyester.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com