Title: Lay out and fabricate transition with all sides tapering and changing.
Course: Sheet Metal II (13205-II) > Section: Performing Layout and Fabrication

Laying out and fabricating should include

- measuring and marking all sides transitioning with a protractor to keep consistent measurement
- scribing layout lines in metal
- cutting, notching, and forming required locks, bends, and connections
- assembling ductwork with locks formed on a lockformer machine.