<http://webisa.webdatacommons.org/prov/358125487>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121932197> .
<http://webisa.webdatacommons.org/121932197>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/121932197>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121932197>	<http://www.w3.org/ns/prov#value>	"Preferably, the stiffening material is a metal, such as full hard aluminum foil having a thickness of approximately 0.008 inches which is joined to the substrate 16." .