Any piece of equipment that can not be geometric images from actual objects.Convex mirrors and lenses 1. convex2. mirror and concave3 embossed mirror and concave.Concave mirror convex lens and a 4.
Any piece of medical equipment That could cause the actual objects from the real one. And a convex lens and a concave space Glass 2. 3. Convex Concave and convex and concave mirror 4.