About: http://webisa.webdatacommons.org/173137947

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	At the cemented surface, there are a plurality of openings (for example, six pinholes) defined there by use of a light blocking film, such as chromium, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com