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.
In Rome, the gladiatorial contests were held in the Coliseum, a huge stadium that first opened in 80 C.E. Located in the middle of the city, the Coliseum was circular in shape with three levels of arches around the outside. In height, the Coliseum was as tall as a modern 12-story building; it held 50,000 spectators.