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 female is polyestrus, with the estrus lasting 4-5 days. The length of estrus can vary considerably depending on a number of factors. Males are able to breed at any time after puberty. Estrus can be detected by performing a vaginal swab or lavage and examining cells microscopically.