The film informs about the rules of fencing in the places under repairs.
There is a train on the railway.
Landscapes outside the train window.
Large: rails, train wheels.
Repair work on the railway: changing the rail.
The yellow portable signal is lying on the ground.
Firecrackers are lying nearby.
Signalmen stand along the canvas.
The place of work is fenced with a signal.
The signalman is standing nearby - a portable signal lying on the ground.
The workers removed the rail.
The train is rushing at full speed to the place of repair work.
A railway track running through the forest.
Repair work: straightening of the track with hydraulic jacks.
The scheme of installation of enclosing signal signs (figure).
There is a red signal at the traffic light.
Large: the joint of the rails.
The team eliminates the defect.
The place of work is not fenced.
Seasons: Summer [824]
Yellow portable signal.
Firecrackers are lying on the ground.
Portable red signals.
Scheme of installation of enclosing signals (figure).
Additional signalers duplicate the signals of the main ones.
Detection of a defective rail.
The team is going to the scene of the accident.
The signalman lays out firecrackers on the rails.
Repair work on the railway track.
The brigade is heated by the campfire.
Seasons: Summer [824] Winter [823]