About: http://webisa.webdatacommons.org/320129734

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	Exemplary materials having such a low coefficient of friction include polytetrafluroethylene, thermoplastic elastomer, thermoplastic rubber and other equivalent materials known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com