<http://webisa.webdatacommons.org/prov/284012466>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/254332231> .
<http://webisa.webdatacommons.org/254332231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/254332231>	<http://www.w3.org/ns/prov#value>	"Hollow rod 48 may consist of materials such as refractories, metals, glasses, polymeric materials and other compounds and mixtures such as various inorganic salts." .
<http://webisa.webdatacommons.org/254332231>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .