PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By way of example only, each layers can comprise additives, such as antioxidants, lubricants, anti-blocking agents such as silica, clay based materials, talc, etc., flame retardants that can be either halogen based or halogen-free components.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es