Necessary cookies keep the site running. With your consent we also use analytics cookies to understand how the site is used. You can accept all, reject all, or choose per category. You can change this any time via “Cookie settings” in the footer.

Name	Category	Purpose	Retention
ainstru_lang	Necessary	Remembers your language choice	1 year
Anonymous counter	Necessary	Counts page views. Sets no cookie and stores no IP; internal use only, cannot identify you	Same day only, not linkable across days
Analytics / advertising cookies: not currently used on this site. If enabled in future, they will load only after your consent and can be withdrawn at any time.

Learn more