glass reflector
4.American law specifies that if car/motorcycle/motorcar and its parts (brake hose, car lighting, reflector, brake fluid, tyre and felloe, glass, headgear, paint and chemical coating materials used for traffic means, and so on), ship, plane, truck, tank truck, electric car, tyre, air-pocket and such products want to come into America for sale and use, they have to get the DOT certification.

