TIG welding. n. 1. (General Engineering) tungsten-electrode inert gas welding: a method of welding in which the arc is maintained by a tungsten electrode and shielded from the access of air by an inert gas.
The blade of the classic Roman stabbing sword, the gladius, was only some two feet long, though in the twilight years of the empire the gladius gave way to the spatha, the long slashing sword of the barbarians. Read More. in tactics: The legion. ...as a team.
About 10 inches. A gladius could have a blade 18 to 27 inches long, depending on the style. A spatha's blade ran between 30 and 39 inches. Originally the spatha was used by the calvary who needed a longer sword to reach enemy on the ground. Later it was adopted by the infantry as tactics changed.