PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are a variety of types of heat exchangers (as you mention) that are based on material conductivity and the principle of temperature equilibrium (more below.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • atheistnexus.org