unit familyunit; interface uses vehicleunit,carunit; type TFamilyCar = class (TCar) protected constructor Create(Speed,PassCount:byte;Color,Mark:string); procedure MoveFaster;override; procedure MoveSlower; override; procedure TakePassanger; override; end; implementation constructor TFamilyCar.Create(Speed,PassCount:byte;Color,Mark:string); begin inherited Create(Speed,PassCount,Color,Mark); end; procedure TFamilyCar.MoveFaster; begin inherited MoveFaster; end; procedure TFamilyCar.MoveSlower; begin inherited MoveSlower; end; procedure TFamilyCar.TakePassanger; begin inherited TakePassanger; end; end.