Assertion: signal | /r/CapableOf | protect section of track
Facets:
value: sometimes
type: TEMPORAL
value: to protect" the points
type: PURPOSE
Source sentences:
text: Signals are sometimes said to "protect" the points or switches, section of track, etc. that they are ahead of.
text: Signals are sometimes said to "protect" the points or switches, section of track, etc. that they are ahead of.