About: http://webisa.webdatacommons.org/449899114

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	Friction enhancing surfaces may comprise the use of polymeric coatings, or mechanical roughening such as laser etching, chemical etching, sputtering, or other coating processes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com