How has safety in construction sites changed over the last thirty years? What challenges await industry professionals? On Thursday, November 19, the conference "From D.Lgs 494/96 to D.Lgs 81/08. 30 years of application" aims to answer these questions. A meeting to retrace the evolution of safety regulations at work, analyze data on accidents, and deepen the role of professionals in risk prevention. Representatives from professional orders, institutions, and supervisory bodies will participate.