PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Dirt, algae and other debris can cause the water to foam as it boils and this will cause priming to the cylinders and syphoning at the safety valve.
http://www.w3.org/ns/prov#wasQuotedFrom
  • roundhouse-eng.com