Process considered strategic in the production phase, with departments housing 10 welding robots, 1 for heavy structural steelwork, 3 for rotors and 6 for light structural steelwork. Other operations are implemented with semi-automatic systems operated by specialist personnel with welding certi cates issued by the Istituto Italiano della Saldatura (IIS) [Italian Welding Institute] in compliance with standard UNI EN ISO 9606-1:2017.