PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 46 to which energy is supplied for heating the water therein to a suitable temperature from any variety of conventional energy sources, such as electrical resistance heating, combustion of oil, natural gas or other suitable fuel and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com