About: http://webisa.webdatacommons.org/263701582

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	As shown in FIGS. 1 and 2, the first and second substrates 7 and 8 are rectangular plate members made of a transmissive material, such as glass or synthetic resin.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com