Translations:Corpo/5/en
Initially, also for the greater facility of working, it was realized in cylindrical form with flat ends (the so-called flat top) but following the evolution of the stylistic tendencies it has been passed to more tapered forms (with the birth of the so-called streamlined style). Moreover, with the evolution of stylistic trends from the ordinary round section, we have moved to multifaceted, triangular, square, octagonal, dodecagonal forms, etc.