One of the curved surfaces of the curved-surface/curved-surface is planarized to form the flat-surface/curved-surface glass article.

The curved surface is a primary optical curved surface.

  The bent portion (45) is bent toward the lower space (41).

The bone plate (10) is straight, curved, or both straight and curved.

The first curved part is positioned upstream of the second curved part, and the curvature of the first curved part is greater than the curvature of the second curved part.

The first curved part is positioned upstream of the second curved part, and the curvature of the first curved part is greater than the curvature of the second curved part.

The cross section of a curved portion of a curved cannula is oval shaped.

An apparatus comprising a first curved band portion (200) and a second curved band portion (210).

The support depression has a concave curved surface and a convex curved surface.

The custom shape may include a curved portion such as a curved surface or edge.

The curved lens can have a generally curved cross section and a focal distance.

The curved surface section is curved so as to be convex downward.

The first curved portion is separated from the second curved portion by the moulding being divided so as to obtain at least a first curved single part and a second curved single part.

A portion of the first edge is curved and a portion of the second edge is curved.

The irradiation unit (100) is disposed on the inside of the curved shape of the curved part (84).