What are the protective elements can be included in the hologram?
The main security elements of hologram are:
- microtext
- nanotext
- optical security element lens
- hidden image
- security net type "Guilloshe"

What is self-destruct basis of hologram?
Is basis of hologram, which is destroyed when you try to unstick it.

What is hidden image?
Is image , which is present in hologram , visible in the light of the special device ("ИГ1" и "ИГ2" - identifier of hidden image of hologram)