They don't really explain anything, they lose their documents, and they don't do anything when applying for recalculation. They only take money politely and quickly.
experts don't really know anything, they don't give information, from one window to another. Make sure that the certificates can be pulled out through your personal account or through the Caspian Sea. Time is wasted. And the bonus is that the experts are "gods" of their window, it is impossible to get through.