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<http://webisa.webdatacommons.org/prov/1112513>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/291430382> .
<http://webisa.webdatacommons.org/291430382>	<http://www.w3.org/ns/prov#value>	"T12 systems, for example, can be upgraded to realize energy savings as high as 50% or more in offices, classrooms, and other applications." .
<http://webisa.webdatacommons.org/291430382>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<facilityexecutive.com> .