About: http://webisa.webdatacommons.org/231132988

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	??? Heat source can be LPG (propane, butane, their mixture), natural gas, fuel oil, diesel, wood, and any other fuel.
http://www.w3.org/ns/prov#wasQuotedFrom	hmsmakine.com