About: http://webisa.webdatacommons.org/2848748

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	Examples of frictional elements include integrated bumps, dots, ridges, irregularities, granular elements to match a sporting good, and other elements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com