<http://webisa.webdatacommons.org/prov/393081793> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/24479471> . <http://webisa.webdatacommons.org/24479471> <http://www.w3.org/ns/prov#value> "Qualified solar installers can usually advise clients on which specific types of systems will work best given the specific location of a home." . <http://webisa.webdatacommons.org/24479471> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/24479471> <http://www.w3.org/ns/prov#wasQuotedFrom> <issuu.com> .