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<http://webisa.webdatacommons.org/prov/293719677>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/72850097> .
<http://webisa.webdatacommons.org/72850097>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/72850097>	<http://www.w3.org/ns/prov#value>	"The gap layer 104 is made of an insulating material such as alumina (Al2O3)." .