<http://webisa.webdatacommons.org/338191832>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/338191832>	<http://www.w3.org/ns/prov#value>	"The cost of conventional fuels such as oil, coal and especially natural gas has escalated to the point where it is now profitable to install ancillary heat recovery units to recover previously wasted heat contained in plant effluents such as flue gas." .
<http://webisa.webdatacommons.org/prov/281623940>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338191832> .
<http://webisa.webdatacommons.org/prov/246395755>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338191832> .
<http://webisa.webdatacommons.org/338191832>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .