Assertion: motor oil | /r/CapableOf | lubricate rotating or sliding surfaces
Facets:
value: between the crankshaft journal bearings
type: LOCATION
value: between rods
type: LOCATION
Source sentences:
text: In the crankcase of a vehicle engine, motor oil lubricates rotating or sliding surfaces between the crankshaft journal bearings (main bearings and big-end bearings) and rods connecting the pistons to the crankshaft.