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Once the welder is set up properly, grab some scrap steel to practice welding on. We decided to use a set of notches from Silver Star Customs to illustrate our learning curve. In this picture, we jumped right in without much practice and welded up one of the notches. The gun should be positioned at a 45-degree angle, with the contact tip approximately 3/8 inch away from the surface of the steel. Use one hand to hold the gun, and the other hand to steady it. It's important that this gap and angle be maintained as the gun is moved along the surface of the metal. To begin welding, the trigger on the gun is pulled, which simultaneously turns on the shielding gas, wire feed, and voltage. If the gun is held steady enough, you'll see a small puddle of weld form on the metal, which you can either drag toward you or push away. Pushing the weld along the steel will typically yield a less-desirable weld, with less heat penetration than dragging the weld puddle along the steel.