Preparation Services For The Heating Season, Namely: Hydraulic Test And Current Repair Of The System Of Pipelines Of The Central Heating Of The Black Sea Academic Lyceum Named After Taras Shevchenko Of The Black Sea City Council Of Odessa District, Odessa Region, Located At The Address: 68001, Ukraine, Odessa Region According To The Code Dk 021: 2015: 50720000-8-Services For Repair And Maintenance Of Central Heating Systems (Dk 021: 2015: 50721000-5-Commissioning Of Heating Installations).