signalling control

technical system of the railway

en-US/ˈsɪɡnəlɪŋ kənˈtɹoʊl/
en-GB/ˈsɪɡnəlɪŋ kənˈtɹəʊl/

ক্যাটাগরি:

appliancerail infrastructurerailway facility