About: http://webisa.webdatacommons.org/421921040

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	One or both rollers 546, 548 can be coated in material with a high friction coefficient, such as rubber, to draw the web materials N1, N2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es