About: http://webisa.webdatacommons.org/35372199

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	When glass beads or other materials are used as the core whose surface cannot be easily made tacky, it is convenient to use a coating of another material on such a core which can be easily made tacky.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com