"rubber-tyre" . . "metro" . . "rubber-tyred track" . "rubber tired wheels" . . "move on rubber tyres" . "Rubber-tired metro" . "system" . . "rubber-tyred metro" . "rubber-wheel" . "rubber tired metro" . "rubber-tired metro" . . . . . "The technology of rubber-tyred metros" . "rubber-tyred trains" . "rubber tyred" . "rubber-tired metro trains" . . . . . "pneumatic traction" . . "with rubber" . . . "rubber-tired trains" . "rubber-tired metro line" . . "rubber-wheeled" . "Rubber-tyred metro" . . "rubber tires" . "rubber-tired subway cars" . . "rubber-tired wheels" . "rubber-tyred" . "Rubber-tyred metro" . "rubber-tired" . "rubber-tyre operation" . "rubber tyres" . "rubber-tired transit system" . "rubber tired" . . "rubber" . .