Thickness of paper, expressed in thousandths of an inch or pages per inch (ppi).

To pack printed pieces in boxes without prior wrapping in bundles.

In photography, to give extra exposure to a specific area of a print. In lithography, to expose a blueline proof or printing plate with light.

To smooth and seal by rubbing elements. adhered to a mechanical.

To bind by forcing glue into notches in spines of signatures, and then adhering a paper cover.

To join without overlapping or space between.

Ink colors overlapped only a hairline so they appear perfectly butted.

Subcontracted service.