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.
A laser printer. Laser printers work through electronically charging a piece of paper with the digital images selected for printing. They use a type of powdered ink called toner, which sticks to the paper where it has an electronic charge and is permanently melted to the paper using a hot fusing wire.