<http://webisa.webdatacommons.org/176672472>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/33195498>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176672472> .
<http://webisa.webdatacommons.org/176672472>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/176672472>	<http://www.w3.org/ns/prov#value>	"oxides, such as titanium dioxide, have also been reported." .