; It is a predominant attachment for structural steel. It consists of steel objects (such as balaki, dish, wolves, expensive seams), structural elements and interconnections of the second with the second and let you go to them. ID = «H-Features-Off-Advance-Stomana-ADDO-Autodesk-Autocad-2022″> avant-gang

• New links for Purlins

• Synchronization of steel structural connections