( signal boxes)
A signal box is a small building near a railway, which contains the switches used to control the signals.
N-COUNT
( signal boxes)
A signal box is a small building near a railway, which contains the switches used to control the signals.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006