About: http://webisa.webdatacommons.org/408766071

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	Furthermore, some ballasts include a potting material which may include hazardous materials such as PCBs and asbestos.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com