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Welded rail (Pmudkrbw)

Facilities (P)
     Use For: Complexes; Installations
    Transportation, hydraulic and utility facilities (Pm)
        Railroad facilities (Pmu)
             Related Term (Associative): Railroad tunnels (Pdvtrr); Railroad bridges (Pdybmur)
            Railroad tracks (Pmud)
                 Use For: Tracks
                Track components (Pmudk)
                    Rail (Railroads) (Pmudkr)
                         Use For: Railroad rails
                        Types of railroad rail (Pmudkrb)
                            Curved rail (Pmudkrbb)
                            Continuous welded rail (Pmudkrbc)
                                 Use For: Continuous rail; CWR
                            Corrugated rail (Pmudkrbd)
                            Heat treated rail (Pmudkrbh)
                            Reaction rails (Pmudkrbr)
                            Steel rails (Pmudkrbs)
                            Third rail (Pmudkrbt)
                            Welded rail (Pmudkrbw)