Assertion: railroad's train | /r/CapableOf | build momentum
Facets:
value: to push steeper grade
type: PURPOSE
Source sentences:
text: This is usually when there is a track gradient is connected to a leveled tangent track that is long enough with no signal between them so that train can build momentum to push through steeper grade than it can be without momentum.
text: This is usually when there is a track gradient is connected to a leveled tangent track that is long enough with no signal between them so that train can build momentum to push through steeper grade than it can be without momentum.