You may need to know how to cut sheet metal while working on DIY craft projects, gutter repair, ductwork, or metal roofing. Sheet metal is made from different materials and comes in various ...

At the same time, the mechanical contractor has expanded its sheet metal and miscellaneous metal fabrication ... “We’ve also added spiral fabrication to our original rectangular ductwork,” said Justin ...

This updated edition of a classic American Tech textbook provides an introduction to the fundamentals of layout, cutting, forming, and fabrication of sheet metal. It can serve as a useful training ...