Call For The Open Procedure Performed Via Electronic Platform N. 43/2025-Conducting, Control, Management, Management And Ordinary Maintenance Service Of The Parghelia-Tropa-Zaccacca-Drapia-Palestical Consortium Purification Plantation Of The Graces And Of The Lifting Stations Of The Sewage Waste Pertaining To It For 2 Years (Two) Municipality Of Parghelia (Vv)