PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Molybdenum disulfide and Tungsten disulfide are examples of materials that can be used as solid lubricants, often to very high temperature.
http://www.w3.org/ns/prov#wasQuotedFrom
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