Assertion: train | /r/HasProperty | underway
Facets:
Source sentences:
text: boilerman - ensures the train’s boiler is operating properly while the train is underway
text: Prior to the development of vestibules, passage between cars when a train was underway was both dangerous—stepping over a shifting plate between swaying cars with nothing on either side but chain guard rails—and unpleasant, due to being exposed to the weather, as well as soot, red-hot cinders and fly ash raining down from the exhaust of the steam locomotive hauling the train.