অনুসন্ধান করুন
Signal box
01
সঙ্কেত বক্স
a building or structure from which railway signals and switches are controlled
উদাহরণ
The signal box ensured safe train operations.
They upgraded the equipment in the signal box.
The operator managed the switches from the signal box.
She toured the historic signal box at the museum.
He learned about signaling systems in the signal box.
