Evaluating Software Development Methodologies Based on their Practices and Promises

An air-vent headlight includes an air outlet device formed of plastic and provided on the underside of the inner reflector and an air inlet device, also of plastic, and arranged on the upper side of the outer reflector. The air outlet device has a horizontal outlet tube the front side of which is inclined towards the center of the headlight. The air inlet device has an inlet tube extending opposite to the direction of travel of the vehicle.