Gear drive for cylinders in quality offset machine consists of 

The roller that alternately contacts the ink fountain roller and the first roller of the inking system

A thin coating of aluminium oxide is created for offset plates by a process called

The wavelength of thermal laser diode is 

The flexographic plate are attached to the plate cylinder with double sided adhesive tape called ---------------, which may be solid vinyl or cushion type.

The most common offset plate metals used is