Richard Finch. Metal fabricators of every ilk, whether theyre working on race cars, experimental aircraft, or custom motorcycles, will benefit from this updated guide to top-quality welding. Performance Welding demonstrates the newest fabricating techniques and covers the latest in welding equipment. This complete guide written by NASA welding consultant Richard Finch helps a fabricator select the proper equipment, prepare jigs, and effectively weld 4130 steel, stainless steel, aluminum, and magnesium. It also covers plasma cutting, the technique used extensively on Monster Garage that has revolutionized metal working.