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.
George Ville, using evidence from 1st century gladiator headstones, calculated an average age at death of 27, and mortality among all who entered the arena at 19/100. Marcus Junkelmann disputes Ville's calculation for average age at death; the majority would have received no headstone, and would have died early in their careers, at 18â25 years of age. Between the early and later Imperial periods the risk of death for defeated gladiators rose from 1/5 to 1/4, perhaps because missio was granted less often.