A light source unit having optical elements which include a laser source, a collimator lens, a cylindrical lens and an optical path adjusting optical parallel mounted in fixed positions on a metal mount is adjusted to provide given optical characteristics and secured to a plastic housing of an optical scanning device. In particular, in one embodiment, there is provided a light control system. The antimicrobial skin sanitizing compositions can be used alone or in combination with personal care products. The overall damage rating is obtained by applying a set of rules, based on a uniform quantification of component-by-component damage, to the subject vehicles and an identical or sister test vehicle from one or more crash tests which provide damage information. The glass panel can be mounted to any outer surface of the appliance such as an appliance door, side walls or even a top wall.