<http://webisa.webdatacommons.org/120763287>	<http://www.w3.org/ns/prov#value>	"In a preferred embodiment, the shield is made of quartz or other material having similar electrical properties such as the glass used to produce windows." .
<http://webisa.webdatacommons.org/120763287>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/120763287>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/prov/101106031>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/120763287> .