About: http://webisa.webdatacommons.org/39242475

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	But companies are now offering alternatives to these fixed installations, in the less conspicuous form of shingles, tiles and other building materials that have photovoltaic cells sealed within them...(more)
http://www.w3.org/ns/prov#wasQuotedFrom	m-can.org