https://elenargyris.4ty.gr/el/elenargyris https://elenargyris.4ty.gr/en/Electrical%20Engineer%20Makrakomi%20Fthiotida%20-%20ARGYRIS%20ATHANASIOS%20-%20Photovoltaics%20-%20Medium%20Voltage%20Substations%20-%20Substation%20Maintenance%20-%20Electromechanical%20Faults%20-%20Maintenance%20-%20Study%20-%20Designs%20PPC%20Certificates%20Makrakomi%20Fthiotida