<http://webisa.webdatacommons.org/prov/367806823>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/50141095> .
<http://webisa.webdatacommons.org/prov/33646820>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/50141095> .
<http://webisa.webdatacommons.org/50141095>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/50141095>	<http://www.w3.org/ns/prov#value>	"surface-adherent substance include oxides such as aluminum oxide, silicon" .
<http://webisa.webdatacommons.org/50141095>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .