In addition, Acea Produzione, which for some years now has achieved its objective of “zero accidents”, adopted notice boards at all its production sites that illustrate the main safety regulations; · in Acea Energia and in Aceain compliance with regulations concerned the training of fire prevention personnel, the periodic updating on the 0 2 4 6 8 10 frequency indexseverity index 0.30 8.02 CHART NO.