MIG welding Welding Institute video guide tutorial

This is the first of (at least) three video guides, produced by TWI ( The Welding Institute, Cambridge)
Unlike the MMA welding guide, this one lacks the excellent electronic theme tune.
Topics covered:
Introduction
How MIG welding works
How to connect up
Bead on plate runs for practice and checks
How to set up the parts for welding
What to do when you are actually welding
What you might to wrong and the faults it causes
How to work safely
How to use welding for repair work