In 2010, the FDA approved Botox as a treatment for chronic migraine. Get more information about how and why it can help with this migraine subtype. In 2010, the FDA approved Botox as a treatment for chronic migraine.
In modern lithography, the image is made of a polymer coating applied to a flexible aluminum plate. The image can be printed directly from the plate (the orientation of the image is reversed), or it can be offset, by transferring the image onto a flexible sheet (rubber) for printing and publication.
Lithography (from Ancient Greek Î»Î¯Î¸Î¿Ï, lithos, meaning 'stone', and Î³ÏÎ¬ÏÎµÎ¹Î½, graphein, meaning 'to write') is a method of printing originally based on the immiscibility of oil and water. The printing is from a stone (lithographic limestone) or a metal plate with a ball grained surface.