<http://webisa.webdatacommons.org/prov/17389268>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/254019941> .
<http://webisa.webdatacommons.org/254019941>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/254019941>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<psncenergy.com> .
<http://webisa.webdatacommons.org/254019941>	<http://www.w3.org/ns/prov#value>	"Do not start or stop nearby vehicles, machinery, or other things that may spark." .