A polygonal shaped container is provided which includes a wrapper surrounding a food product. The backlight module may be provided in an electronic device along with a light source for illuminating an LCD display. One side of the isolating cap is chiseled to form at least one channel, each channel being passed through by a corresponding connecting line. Waiting until the gear clutch is synchronized. The degree of decurling can be adjusted with at least one cam in communication with at least one of the first and second rolls. The shunt may be operated by applying a force to the arm.