When making a root pass, there are five important things to remember: 1. Gap size: Ensure that the gap is appropriate and to your liking. It should not be too tight or too large. 2. Tack welding: Use the tacks as a gauge to calibrate the amperage for your weld. This will help achieve the desired quality. 3. Inspection: Before welding, always inspect the welding rod for any cracks or broken flux. It is crucial to use a rod without any defects. 4. Welding technique: To ensure a smooth root pass, I