Assertion: boundary lubricant | /r/HasProperty | suspended in addition
Facets:
value: to reduce friction
type: PURPOSE
value: to these additives
type: OTHER
Source sentences:
text: In addition to these additives, boundary lubricants such as molybdenum disulfide (moly) or graphite may be suspended in the grease to reduce friction and wear without adverse chemical reactions to the metal surfaces during heavy loading and slow speeds.