<http://webisa.webdatacommons.org/prov/38617999>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/333622567> .
<http://webisa.webdatacommons.org/333622567>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/333622567>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/333622567>	<http://www.w3.org/ns/prov#value>	"Heat pipe 16 is evacuated and a volatile fluid, such as ammonia, is" .