PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While these amine-based lubricating agents do not have the problems associated with the soap-based lubricants, they tend to react with ions such as carbonates and sulfates which are present in water, thus reducing the lubricating effect.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es