PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Go through everything from gas piping, valves, sizing, meter capacity, inlet pressure studies under load, etc. then full electrical from power coming in through the system, then controls including every switch, contact, & gizmo and burner orifice spuds, primary and secondary air, pressures, cleanliness, firing, and then venting all the way out.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hvac-talk.com