<http://webisa.webdatacommons.org/319202023>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/319202023>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/368296491>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319202023> .
<http://webisa.webdatacommons.org/319202023>	<http://www.w3.org/ns/prov#value>	"Suitable opacifying agents, such as for example titanium dioxide or zinc oxide, are commercially available." .
<http://webisa.webdatacommons.org/prov/34259742>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319202023> .