About: http://webisa.webdatacommons.org/407081104

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 pads are comprised of such materials as organic polymers and the pads may have raised topographical features for optimum polishing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es