About: http://webisa.webdatacommons.org/314168026

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	Such an optical element has an inclined surface in contact with the liquid, the surface including a portion higher than a portion through which the projection beam PB passes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es