About: http://webisa.webdatacommons.org/112041112

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	Rollers covered with a rubber such as neoprene or any soft rubber or polymer or other conformable material would be particularly useful in this application.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com