About: http://webisa.webdatacommons.org/242843261

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	fillers such as barytes may also be included to increase core weight so that the finished ball more closely approaches the USGA upper weight limit of 1.620 ounce.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com