<http://webisa.webdatacommons.org/68124220>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freshpatents.com> .
<http://webisa.webdatacommons.org/prov/367806831>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/68124220> .
<http://webisa.webdatacommons.org/68124220>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/68124220>	<http://www.w3.org/ns/prov#value>	"The crucibles 31A and 31B are made of, for example, an oxide such as titanium oxide, tantalum oxide, zirconium oxide, and silicon oxide in addition to carbon." .