About: http://webisa.webdatacommons.org/193041745

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 roller 20 is, of course, generally conventional, and may be formed of wood or other material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com