2. Item Types: Defined

Item types are a way of logically grouping items together in order to simplify and expedite searches in the PRT database.

Important: Every item defined in the tracking system must have an item type.

Item Types:

Classify groups of items in the tracking system.

Are independent of region, group or service.

An Item tracked by PRT must always reside in a Tracking Region.


A sample automobile factory manufactures mini-vans and sedans, and has three engine sizes.

The following chart provides an example of grouping items together into types, e.g. Car doors.

More information

Production Tracking System definitions and guidelines.