About: http://webisa.webdatacommons.org/171981818

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 rollers 122 are generally made of insulating materials such as wood, plastic, or ceramic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es