About: http://webisa.webdatacommons.org/210762808

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	So constructing the system, and arranging the mirror or mirrors, permits a particularly thin and space-consuming apparatus or system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com