Today's job shops must be prepared to deal with a variety of materials for fabrication and welding. As each material may require a different mixed shielding gas for gas metal arc welding (GMAW), familiarize yourself with these gases and the most efficient supply methods for various applications.

Ray Carrington will tell you that he is not an artist. However, the 81-year-old retired math teacher has metal sculputres on display throughout the nation, and continues to work on pieces to give away.

Resistance welding transformers generate a lot of heat, which is why most of them are designed to be water-cooled. But when condensation forms internally as a result of an improperly set chiller temperature, a number of catastrophic issues can arise. To avoid this, it's best to understand what causes internal condensation and how you can prevent it.

Welding and fabricating using exotic metals requires a special touch, one that Schwabel Fabricating Co., Tonowanda, N.Y., has built its business on for the last 53 years.