<http://webisa.webdatacommons.org/prov/419723303>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/162909072> .
<http://webisa.webdatacommons.org/162909072>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/162909072>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<gpo.gov> .
<http://webisa.webdatacommons.org/162909072>	<http://www.w3.org/ns/prov#value>	" modify boilers, furnaces, smelters, or other equipment" .