<http://webisa.webdatacommons.org/prov/62320232>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190379305> .
<http://webisa.webdatacommons.org/190379305>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<your-door-knocker.com> .
<http://webisa.webdatacommons.org/190379305>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/190379305>	<http://www.w3.org/ns/prov#value>	"Some doors available today are made of a fill material covered by a skin of PVC, fiberglass, aluminum, steel or other material." .
<http://webisa.webdatacommons.org/prov/294561050>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190379305> .