Assertion: plastic ball bearing | /r/HasProperty | self-lubricating
Facets:
value: due to their plastic construction
type: CAUSE
value: to corrosion
type: PURPOSE
Source sentences:
text: Most plastic ball bearings are self-lubricating, lightweight and resistant to corrosion while operating quietly.
text: Due to their plastic construction, plastic ball bearings are self-lubricating, corrosion resistant and they deliver a quiet operation.