PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It reduces heavy metals such as copper and lead, eliminates bacteria (e.g. E. coli, B subtilis, S. aurene) and prevents bactaria propagation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisecicada.co.nz