<http://webisa.webdatacommons.org/6240221>	<http://www.w3.org/ns/prov#value>	"Only highly purified hydrogen and oxygen can be used, the cost of which imposes a severe limitation to applications other than space." .
<http://webisa.webdatacommons.org/6240221>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/208470915>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/6240221> .
<http://webisa.webdatacommons.org/6240221>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<resilience.org> .