About: http://webisa.webdatacommons.org/216829922

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 outer surface of the roller may be uncoated, or may be coated with, e.g., a rubber such as a urethane rubber, nitrile rubber or silicone rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com