About: http://webisa.webdatacommons.org/186946365

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	Rollers 17 can be fabricated from bearing metals known in the art or polymers such as acrylic, polycarbonate, PTFE or other bearing polymers known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com