About: http://webisa.webdatacommons.org/178979092

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 solar energy reflection trough 11 is formed with a smooth uniform concave ruled surface 17 of parabolic cross section and having a mirror finish of silvered glass, aluminum, stainless steel or other highly reflective material.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com