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Subgrade (Pavements) (Pmrcpppmr)

Computer viruses ()
Facilities (P)
     Use For: Complexes; Installations
    Transportation, hydraulic and utility facilities (Pm)
        Highway facilities (Pmr)
             Related Term (Associative): Underground structures (Pdv); Bridges and culverts (Pdy)
            Roads (Pmrc)
                Parts of roads (Pmrcp)
                    Pavements (Pmrcpp)
                         Related Term (Associative): Airport runways (Pmfcgmr)
                        Pavement components (Pmrcppp)
                            Pavement layers (Pmrcpppm)
                                Surface course (Pavements) (Pmrcpppmb)
                                     Use For: Blanket course; Road surfaces
                                     Related Term (Associative): Tire/pavement noise (Jfnbtt)
                                Base course (Pavements) (Pmrcpppme)
                                     Use For: Pavement bases; Roadbase
                                     Related Term (Associative): Computer viruses (); Computer viruses ()
                                Subbase (Pavements) (Pmrcpppmg)
                                Pavement interlayers (Pmrcpppmi)
                                Subgrade (Pavements) (Pmrcpppmr)
                                     Use For: Highway subgrade; Pavement subgrades; Roadbeds