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Suspension of catenary.

Normal suspension The normal suspension on free lines.

Down hanged mast Suspension in a frame from a hanged mast.

Steer wire Suspension in a frame width help of a steer wire.

Cross Span Older constructions on s-train lines, is cross spans, where you find only wires between the masts.

Frame construction By more tracks is catenaries suspended in a frame construction.

Constructions width lattice By many tracks catenaries is suspended in Constructions width lattice.

Gallows placed by two or three tracks.

Change catenary The change spans four masts.