<http://webisa.webdatacommons.org/prov/30856717>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/416895442> .
<http://webisa.webdatacommons.org/416895442>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/416895442>	<http://www.w3.org/ns/prov#value>	"polymers such as poly(tetrafluoroethylene) (PTFE), and polyethylene (PE)" .
<http://webisa.webdatacommons.org/416895442>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .