<http://webisa.webdatacommons.org/prov/278125765>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/275717139> .
<http://webisa.webdatacommons.org/275717139>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/275717139>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<utsandiego.com> .
<http://webisa.webdatacommons.org/275717139>	<http://www.w3.org/ns/prov#value>	"Banned since the 1970s, they were once used in transformers and other electrical equipment." .