The Welder is responsible for providing expert leadership to the team that performs the daily operations of, and the preparation, assembling, and repairs of all pipe systems of various shapes, sizes, and pressures; and provides leadership to the team regarding welding techniques, procedures, and application of welding equipment, and utilizing welding knowledge to manufacture a product per the customer drawings, specifications, or other form of instruction. Review manufacturers’ service manuals, facility’s usage schedules, records of maintenance problems, and inspection and repair reports to determine optimum frequency of preventive maintenance .