About: http://webisa.webdatacommons.org/354575608

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	Wear of metal surfaces, for example, in many types of machinery, is a problem for which many solutions have been proposed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com