Assertion: steam engine's boiler | /r/CapableOf | remain level
Facets:
value: on steep grades
type: OTHER
value: roughly
type: DEGREE
Source sentences:
text: Steam locomotives built for steep rack and pinion railways frequently have the boiler tilted relative to the locomotive frame, so that the boiler remains roughly level on steep grades.
text: Steam locomotives built for steep rack and pinion railways frequently have the boiler tilted relative to the locomotive frame, so that the boiler remains roughly level on steep grades.