About: http://webisa.webdatacommons.org/404306453

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	Silicone is a relatively new material, invented in the 40s and beginning mass production in the 50s.
http://www.w3.org/ns/prov#wasQuotedFrom	annsummers.com