Assertion: xenon's use | /r/HasProperty | to optimize a car engine's efficiency
Facets:
value: by directing the strobe-light
type: MANNER
value: at a certain rotational period
type: TEMPORAL
Source sentences:
text: A common use of a strobe flash is to optimize a car engine's efficiency at a certain rotational period by directing the strobe-light towards a mark on the flywheel on the engine's main axle.