Shelf life is the length of time that a commodity may be stored without becoming unfit for use, consumption, or sale. It applies to cosmetics , foods and beverages , medical devices , medicines , explosives , pharmaceutical drugs , chemicals , tyres , batteries , and many other perishable items. In some regions, an advisory best before , mandatory use by or freshness date is required on packaged perishable foods. The concept of expiration date is related but legally distinct in some jurisdictions. Shelf life is the recommended maximum time for which products or fresh harvested produce can be stored, during which the defined quality of a specified proportion of the goods remains acceptable under expected or specified conditions of distribution, storage and display.
Slovenia has a mostly mountainous terrain  with a mainly continental climate ,  with the exception of the Slovene Littoral , which has a sub- Mediterranean climate , and of the Julian Alps in the northwest, which have an Alpine climate. The country, marked by significant biological diversity,   is one of the most water-rich in Europe,  with a dense river network, a rich aquifer system, and significant karst underground watercourses. Slovenia has historically been the crossroads of Slavic , Germanic , and Romance languages and cultures.