A century ago, one section of Vienna played host to Adolf Hitler, Leon Trotsky, Joseph Tito, Sigmund Freud and Joseph Stalin. In January 1913, a man whose passport bore the name Stavros Papadopoulos disembarked from the Krakow train at Vienna's North Terminal station.
[â]raoulduke25Structural P.E. 9 points10 points11 points 9 months ago (5 children) A full penetration weld is one where the fused joint is completely solid with no gaps after welding. There are many ways to accomplish this, but the only thing that matters is that final product will be solid metal at the joint.
Backup Strip â is a strip or section of steel butted up to an open gap between two pieces of steel. 6010 welding rods can be used for open butt welding, but 7018 cannot and requires a backing strip to provide a surface for the electrode to weld to. Some backup strips are cut off and some are left in place.