Assertion: variable's effect | /r/HasProperty | achieved
Facets:
value: often
type: TEMPORAL
value: by having two separate intake ports
type: MANNER
Source sentences:
text: This effect is often achieved by having two separate intake ports, each controlled by a valve, that open two different manifolds - one with a short path that operates at full engine load, and another with a significantly longer path that operates at lower load.