Rules for the use of cookies
Cookies are small text files that are transmitted to the browser and placed on the hard drives of your devices when you visit websites.
Cookies are used to ensure the efficient and secure operation of websites and to improve the user experience of visitors. Information obtained through cookies that does not allow the identification of a specific user can also be used for marketing purposes.
The types of cookies we use

Session cookies are stored in the browser until you leave the website. Persistent cookies are stored in your browser after the session ends.
Primary cookies are cookies that are associated with the primary domain. Third–party cookies are cookies from another domain.
Managing cookies

You can opt out of storing cookies on your device by changing the appropriate browser settings. You can also delete cookies stored on your device by deleting them from your browser history:

Google Chrome: Menu → "History" → "Clear history". In the window that appears, select next to "Remove the following items from" - "for all time". Select "Cookies and other website data". Click the "Clear History" button.

Safari: Menu "Settings" → "Privacy". In the "Cookies and website data" section, click the "Delete all website data" button

Opera: Menu "Settings" → "Delete personal data". In the window that appears, select "Delete session cookies" and "Delete all cookies" and click "Delete".

Mozilla Firefox: Menu → "Journal" → "Delete recent history". In the "Delete" field, select "All". Click on the arrow next to "Details" to view the list of log items. Select "Cookies" and check that the other items you want to save have not been marked for deletion. Click the "Delete Now" button.

Internet Explorer: Menu "Tools" → "Browser Options" → "General" → "Browser History" → "Delete...". Select "Cookies and website data" and check that the other items you want to save have not been marked for deletion. Click the "Delete" button.