To assemble or collect sections or signatures of a book next to each other in the proper sequence for binding.

Grain direction

Predominant direction in which fibers in paper become aligned during manufacturing.


Strip of different grey values ranging from white to black. A grey scale is used to analyse and optimize the contrastive black and white and coloured reproductions.

Guillottine cutter

A machine to cut or trim printed matter. Guillotine cutters can be automatic or manual devices that are available in a wide range of sizes.