5 Key Processes Students Learn During Mig Welding Training -/1 by pttedu Published: June 19, 2024 (3 months ago) Link https://ptt.edu/5-processes-to-learn-during-metal-inert-gas-arc-welding-training/ Practice and experimentation are key to polish your technique. Read more to learn about the five vital processes included in MIG welding training.