Assertion: graphite | /r/HasProperty | solid lubricant
Facets:
Source sentences:
text: Graphite is a solid lubricant relating to the class of Inorganic lubricants with lamellar structure, which also includes molybdenum disulphide, boron nitride and some other sulphides, selenides and tellurides (chalcogenides) of molybdenum, tungsten, niobium, tantalum and titanium.