PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heavy metals coming from industrial waste, such as mercury, lead, cadmium, nickel, and zinc are some of the most dreaded pollutants in water, and EU laws strictly limit their concentration in the water we drink.
http://www.w3.org/ns/prov#wasQuotedFrom
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