About: http://webisa.webdatacommons.org/178455792

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 radiation transmissive portion 34 is preferably an aperture, but alternatively may be a strip of plastic, aluminum or other filtering material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com