About: http://webisa.webdatacommons.org/137842639

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 cover 230 can be glass, quartz, or other materials transmissive to a desired spectrum of radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com