<http://webisa.webdatacommons.org/129545484>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/prov/459431015>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129545484> .
<http://webisa.webdatacommons.org/129545484>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/455181461>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129545484> .
<http://webisa.webdatacommons.org/129545484>	<http://www.w3.org/ns/prov#value>	"Alternative barrier membranes may comprise other materials such as PTFE or the like." .