Which administrative department installed convex mirrors?

Installed by the road section management department.

Function of convex mirror: convex mirror is mainly used in rearview mirror, wide-angle mirror, steering mirror and so on. , can expand the driver's vision, as soon as possible to find the opposite or curve behind the vehicle driving situation, reduce the occurrence of traffic accidents.

Definition of convex mirror: A convex mirror is a mirror that uses the outer surface of a sphere as a reflecting surface. The nature of convex mirror: convex mirror diverges light. The image formed by the convex mirror is reduced. A convex mirror with the same aperture has a larger field of view than a flat mirror. Application of convex mirror: rearview mirror of motor vehicle, street corner reflector, moonlight mirror of HSBC building, etc.