The process of winding the film from the take-up reel to the supply reel so that the head end, or start of the reel, is on the outside. If there are no identifying leaders on the film, upside-down images will signify the head end.

The act of winding YARN from one PACKAGE to another.

The operation of winding the paper from the reel on to a core to produce rolls of the desired width, diameter and tension.