About: http://webisa.webdatacommons.org/105873319

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	Coverage spans residential, commercial, industrial and institutional arenas, and includes important topics such as service and repair, blueprint reading, installation practices, heating systems, and related science and plumbing codes.
http://www.w3.org/ns/prov#wasQuotedFrom	contractor-books.com