Assertion: engineer | /r/HasProperty | hired on temporary basis
Facets:
Source sentences:
text: Some engineers and conductors, called extra board, are hired on a temporary basis and get an assignment only when a railroad needs an extra or substitute worker on a certain route.
text: Some engineers and conductors, called extra board, are hired on a temporary basis and get an assignment only when a railroad needs an extra or substitute worker on a certain route.