Computer programs for optical design

Emergency and safety signal lighting for police, fire, construction, emergency medical services, tow trucks and security vehicles, namely, beacon lights, strobe safety warning lights, safety lights, LED safety warning lights, flashing colored lights, light bars and traffic directional light bars; emergency vehicle signal lighting, namely, warning lights, wrecker beacon lights, motion sensitive security lights, grille surface lights, police warning lights and traffic signal lights

building material, namely, windows, skylights, and parts and fittings therefor