About: http://webisa.webdatacommons.org/6376770

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	In still other embodiments, the rollers 74 and 76 may be made of varying flexible materials, such as foam, polymers, or felt (fiber).
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com