Essentially "a hot melt glue gun for metals". It releases 75% argon / 25% CO2 gas as you weld to prevent oxidation of the metal. You're melting the metals you're joining, and adding a bead as well.
+
+
For safety tips and a general operational overview, see the article on PS1's [[MIG welders]].
+
+
+
== Status ==
+
+
Standard electric power plug has been replaced with a NEMA 5-20 type plug, plugs right into the wall socket there but won't plug into a power strip or extension cord.