<http://webisa.webdatacommons.org/413650916>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<chemcas.org> .
<http://webisa.webdatacommons.org/413650916>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/337362932>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/413650916> .
<http://webisa.webdatacommons.org/413650916>	<http://www.w3.org/ns/prov#value>	" gauges, and other equipment should be made of steel or other" .