PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thermal PowerSlide 8: The direct cost of electric energy produced by a thermal power station is the result of cost of fuel, capital cost for the plant, operator labour , maintenance, and such factors as ash handling and disposal.
http://www.w3.org/ns/prov#wasQuotedFrom
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