In a graduation ceremony for a college or university, the presiding officer or other authorized person formally confers degrees upon candidates, either individually or en masse.However, some graduates may physically receive their diploma later at a smaller college or departmental ceremonies, or even through the mail.In Sweden, most universities are research-oriented and may present their students with bachelor's, master's, and doctor's degrees covering all academic streams.The person most associated with graduation at those institutions is Zimbabwe's late ex-president Robert Mugabe.[10] Otherwise, in countries like Argentina and Uruguay, enthusiasm prevails over moderation, as well as taking part in an authentic carnival as part of the celebration that is mostly spontaneous, anarchic, and barely planned in the middle of the streets: hundreds of graduates, familiars and friends gather in an open place, carrying alcoholic drinks, eggs, flour and other messy food; pelting it all over the graduates; whereas the party is public and open to excesses that carry the complaints of all sorts of commerce, neighbours and authorities in the zone due to the concentration of public disorder and filth that lasts until the aftermath and overwhelms the municipal services.