A combustor includes an outer liner having a first row and a second row of circumferentially distributed air admission holes penetrating therethrough. The clip and latch device can be used for modular male plug, for example a male RJ plug, which may be with or without a broken tab or latch. Starting of the engine activates the valve for a predetermined period of time. In another embodiment of the present invention, the method comprises the steps of finding an oval shaped skin color region, detecting iris color pixels in the oval shaped skin color region, detecting iris color pixels in the oval shaped region using a Bayes model and locating eye positions based upon the detected iris color pixels.