<http://webisa.webdatacommons.org/prov/509575559>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/59448684> .
<http://webisa.webdatacommons.org/59448684>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/508563211>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/59448684> .
<http://webisa.webdatacommons.org/59448684>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/59448684>	<http://www.w3.org/ns/prov#value>	"monoxide, methane, propane, benzene, or other gases, but a heater driver circuit may be needed for stability." .