About: http://webisa.webdatacommons.org/23308238

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	harder and more abrasion resistant.High density media are available in various shapes including spheres, cylinders and ovals resembling the natural flint pebbles.
http://www.w3.org/ns/prov#wasQuotedFrom	ballmill.in