Performance Task (10 pts. each) 1. Why during solidification or welding process like vertical position the arc control is needed to avoid "sticking" the SMAW electrode when short arc length is use? 2. Why cold lap that well happen in the welding process it also called lack of fusion? 3. Explain why importance of weave is and also referred to as “oscillating or stitching"? 4. Explain how importance to prevent the Undercut - in welding? 5. How would you determine your weld is strength of the materials as well as with the welding process in any position in welding to avoid cracks?