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.
how mig welding works mig weld welding requires three things electricity to produce heat an electrode to fill the joint and shielding gas to protect the weld from the air mig welding is done using a very small electrode that is fed continuously while the operator controls the amount of weld being done