About: http://webisa.webdatacommons.org/397540707

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 core 150A may be formed of a plastic or polymeric material such as polymethyl-methacrylate (PMMA) resin, polystyrene or polycarbonate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com