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 gladiators also wore armour and their helmets, in particular, were objects of great workmanship, richly embossed with decorative motifs and set with ostrich or peacock plumed crests. Weapons and armour though depended on which class a gladiator belonged to. There were four principal classes.