About: http://webisa.webdatacommons.org/288034591

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 first roller 124 and the second roller 122 can be made of various materials, such as plastic or rubber of a moderate durometer (e.g., about 70 Shore A) or coated or covered with such materials.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com