Scratch Start TIG vs. Lift Arc - What's the Difference?
TIG Welding Tips: Lift-Arc vs. High Frequency Starts | Lift-Arc™ is a method of starting the arc when TIG welding that enables the operator to touch the tungsten to the work piece,
TIG Welding: What is Scratch-Start, Lift-Arc and HF Ignition?
What is Scratch-Start, Lift-Arc and HF Ignition in TIG Welding? – Pinnacle Welding Online - Top Welding Machines & Supplies.