About: http://webisa.webdatacommons.org/147247268

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 second stage was a solar thermal heating system and the third stage was an electrical heating element housed in the solar thermal tank and powered by the center???s existing solar photovoltaic system.
http://www.w3.org/ns/prov#wasQuotedFrom	smc.edu