Need to go through the home of the fruit is a bridge, can be the bridge above the bridge deck are not. A turntable is used to bridge the laying of the concrete slab, you pushed the button, the dial pointer will turn up. You release the button and the dial pointer will stop and slowly. Pointer to stop the figure above in which the corresponding position on the corresponding deck will be paved bridge deck. All paved, and the fruit is able to go home.