About: http://webisa.webdatacommons.org/178422429

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	The puck is made of vulcanized rubber or other material approved by the International Ice Hockey Federation (IIHF) and is primarily black in color.
http://www.w3.org/ns/prov#wasQuotedFrom	nist.gov