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.
That pink tongue you're seeing is called a proboscis.. Most ribbon worms average about seven inches long, though it's rumored that at least one specimen measured up to 177 feet. Your browser does not support the video tag. When the animal senses a prey organism nearby, a circular muscle layer around the proboscis sheath rapidly and vigorously contracts.