PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The only reason why the foam is a problem is because the orbiter hangs from the side of the tank and can be hit by the foam when it falls off.
http://www.w3.org/ns/prov#wasQuotedFrom
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