About: http://webisa.webdatacommons.org/25351044

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	Although the balls 37 made of a steel are used in this embodiment, the balls 37 may be made of other materials such as ceramics, rubber, plastics or the like equally as well.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com