About: http://webisa.webdatacommons.org/114741584

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	al but may have been plastic or some sort of jewel and the replacement was not able to perform to the standard of the original.This is a great trackball; it is a bit on the expensive side, but performs well.
http://www.w3.org/ns/prov#wasQuotedFrom	dooyoo.co.uk