The film propagates the necessity of using wireless communication means during capital track repairs when the zone under construction stretches out for several kilometres.
Overhaul of railway tracks.
Laying of the railway track.
Transmission of information by radio (synchronously).
Submission of new web links to the work site.
Signalman with a flag.
The freight train is approaching the repair site along the adjacent track.
Termination of repair work.
Spring [825]