The process of making printing plates, including preparation of the plate surface, chemically sensitising the plate, exposing it to the flat, developing or processing the plate, and finally the finishing of the plate.

An imaginary horizontal line running across the tops of capital letters.

Lines that appear on laid paper as a result of the wires of the papermaking machine.

Black step-marks printed on the back of folded sheets, to facilitate collating and checking of the sequence of book signatures.

A board upon which the copy is pasted for the purpose of photographing.

Paper which has a different colour or finish on each side.

A unit of measurement equaling 12 points or 4.5mm.

Also called liquid ink; ink with a low viscosity.

The results of combining a wet ink pigment with a varnish and having the wet pigment mix or transfer over to the varnish.

The rollers that come into direct contact with the plate of a printing press.