WASHINGTON â The Supreme Court openly struggled Wednesday with the racial preferences used by the University of Texas to achieve student diversity, as several conservative justices questioned how much is enough to declare affirmative action programs no longer necessary.
Gas metal arc welding (GMAW), also known as metal inert gas or MIG welding, is a semi-automatic or automatic process that uses a continuous wire feed as an electrode and an inert or semi-inert gas mixture to protect the weld from contamination.
Search also in: Web News Encyclopedia Images. MIG welding n metal inert gas welding: a method of welding in which the filler metal wire supplies the electric current to maintain the arc, which is shielded from the access of air by an inert gas, usually argon Compare â TIG welding. MIG welding.