Why are the menu items not showing up?

Question

Joomla

Good afternoon, there is a site ks-76.ru
I created a menu item "railing", which is located in the drop-down menu of the service.
1. When viewed from the main page, it is not displayed
2. the same when viewed from the page about the company
3. when viewed from the service page, it is displayed
4. when viewed from the page, the gallery is not displayed
5. when viewed from the page, the license is displayed, only in reverse order
6. When viewed from the contacts page, the dropdown menu does not appear at all.
Please help, I don't know what the problem is.

Answer 1

See tab: Binding to menu items. You have a chikhard there.