About: http://webisa.webdatacommons.org/247486897

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	Suitable materials include glass, quartz, crystals and plastics, including but not limited to polymethylmethacralate (PMMA), polycarbonate and certain liquids.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com