In a headlamp for a vehicle, a lighting control circuit unit is provided in a lamp housing. Accordingly, as the processor reads and executes the microcode, the processor occasionally encounters the watchdog instruction. The web may be a regular shaped web and made of nylon. Examples of such projections include images that can be as rich as film frames, feature animation frames, high end digital renders, concept paintings, or any suitable combination thereof. In Chemical Formula 1, each substituent is the same as defined in the detailed description.