About: http://webisa.webdatacommons.org/191962426

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	opposite ends of the nip roller and the center of the same. [0026] It is preferred that the roller portion be formed of a high friction material such as rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com