They are characterized by large size, high heights and large capacities. The specific conditions of use, the characteristics of the stored products and the installation area characterize the structure and the surface finishes of the tank itself. In recent years, Azzini has paid particular attention to the design of structures that can withstand the seismic actions and meteoric agents increasingly relevant in Italy and the world. The study of tailor-made anchoring and anti-tipping systems has made it possible to create dedicated versatile solutions that can be integrated with existing support structures.