<http://webisa.webdatacommons.org/prov/342379953>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/408337105> .
<http://webisa.webdatacommons.org/408337105>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/408337105>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/408337105>	<http://www.w3.org/ns/prov#value>	"Odd shaped apertures and other features may be etched into glass windows using hydrofluoric acid and photo-lithographic techniques." .