PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In our economy, only 4% of the materials that we extract end up in actual products, and the other 96% are already waste by the time we???ve even purchased the products.[1] Then most products we buy are thrown away almost immediately, meaning perhaps just 1-2% of the materials in our economy end up in goods of long-term value.
http://www.w3.org/ns/prov#wasQuotedFrom
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