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.
The gladiator as a specialist fighter, and the ethos and organization of the gladiator schools, would inform the development of the Roman military as the most effective force of its time. In 107 BC, the Marian Reforms established the Roman army as a professional body.