July 26, 2001
The first plasma arc cutting (PAC) systems, developed in the '60s, were 1,000-amp monsters designed to blast through 6-inch stainless steel.
February 19, 2001
Aluminum is a real challenge to weld, especially for beginners. A knowledge of the gas tungsten arc welding equipment that is available to do the job as well as required accessories, preparation tips, and proper techniques is a good thing to have before jumping in.