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Commercial drivers (Mtghdc)

Computer viruses ()
Persons and personal characteristics (M)
    Vehicle personnel (Mt)
         Related Term (Associative): Vehicle operations (Br)
        Ground vehicle operators (Mtg)
            Highway vehicle operators (Mtgh)
                Drivers (Mtghd)
                     Use For: Motor vehicle operators
                     Related Term (Associative): Computer viruses ()
                    Automobile drivers (Mtghdb)
                    Commercial drivers (Mtghdc)
                        Bus drivers (Mtghdcb)
                             Use For: Bus operators
                             Related Term (Associative): Transit operators (Mtua)
                        Chauffeurs (Mtghdcc)
                        Professional drivers (Mtghdcp)
                        Taxicab drivers (Mtghdcr)
                        Truck drivers (Mtghdct)
                        Test drivers (Mtghdcu)
                    Ambulance drivers (Mtghdd)
                    Driver categories (Mtghdf)
                    Driver records (Mtghdr)
                         Use For: Driving records