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<http://webisa.webdatacommons.org/378621348>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<spie.org> .
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<http://webisa.webdatacommons.org/378621348>	<http://www.w3.org/ns/prov#value>	"Sapphire, quartz, silicon, glass-ceramics and other materials can be" .
<http://webisa.webdatacommons.org/prov/63889663>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/378621348> .