PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • DX systems existed before water source systems, have an EXTREMELY low failure rate ( due mostly to the fact they dont over complicate them with electronics....) as far as freezing the ground...its grouted...thermal grout wont freeze bc it will disperse energy in as even a fashion as it can be expected to.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hvac-talk.com