PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Waste water from industries which have harmful dyes can be cleaned for further use by use of these gels, which can get rid of the dyes and other pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom
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