The roller substituted for form roller to reduce ghosting

The formula to calculate the print contrast

A revolving, motorized cone-shaped device that runs on a track from one end of the ink fountain to the other, keeping the ink soft and flowing 

The type of feeder that separates and forwards on sheet at a time to the feedboard

A web tension device called a --------------- senses variations in web tension and corrects this by applying a brake to the red.

The process used to make photographic images visible in film/plate after exposure to light