About: http://webisa.webdatacommons.org/443595724

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 14 and 22 include a central aperture or opening 24 and are made of transparent material, such as glass or plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com