About: http://webisa.webdatacommons.org/451478067

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	In other embodiments, other materials may be used, such as for example, TEFLON???, urethane, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es