Inspection & Quality Control: Measure, inspect, and verify grooves, angles, and gap allowances using micrometers, calipers, straightedges, combination squares, and precision measuring instruments to ensure work falls within precise limits. Precision Operations: Perform tack-welds and complete welds using electric, gas, arc, or other welding equipment in flat, vertical, or overhead positions on materials such as aluminum, stainless steel, cast iron, and alloys.