Open Procedure, In A Single Lot, For The Awarding Of Concessions, Pursuant To Articles. 176 Et Seq. Of Legislative Decree No. 36/2023, Of The Catering Service, Via Bar And Kiosk, Located At The Fermi Complex, Via Maccarrone N.4, Giarre (Ct) And At The Guttuso Complex, Via Trieste N.22, Giarre (Ct)