About: http://webisa.webdatacommons.org/251976418

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 substrates may be fabricated from glass, plastic, or other suitable transparent materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com