This category is for internet pages about tamper-proofing and tamper-evident equipment. For example, tamper-evident seals, tamper-proof holograms etc.
Please limit submissions to sites about tamper-proofing, tamper-evident equipment and related products etc.

If the submitted URL appears elsewhere in the Open Directory, it will generally not be approved, but this is subject to the editor�s discretion.

more information (editors only)