Metal tag with a permanent adhesive or durable polyester label are suitable for many environments but other marking items such as laser etch, dot peen, Metalphoto photosensitive anodized aluminum, chemical etch or ink jet can also be used for direct part Unique Identification.
Personal identification number | Radio-frequency identification | Identification friend or foe | Q-Unique | National identification number | Integrated Automated Fingerprint Identification System | Automatic Identification System | Vehicle identification number | Unique Population Registry Code | Station identification | identification | Greenhouse Item | globally unique identifier | Automatic number identification | Air Defense Identification Zone | Wade "Unique" Adams | Video Identification Parade Electronic Recording | Universally Unique Identifier | Unique Selling Proposition | Unique identifier | "unique identifier" | Thought identification | station identification | Portable Unique IDentifier | Novelty item | National Sheep Identification System | National Identification Service | National Animal Identification System | Line Item Veto Act of 1996 | International Personality Item Pool |
However, there are many items that are excluded from this list, as they are either covered in other documentation, not subject to IUID (Item Unique Identification) marking, or they already carry an IUID Equivalent marking; such as the Vehicle Identification Number on a car or an Electronic Serial Number of a cell phone.