… by bending, folding, straightening, flattening, shearing, punching, notching or nibbling (excluding draw-benches); …
Explanatory notes
… by bending, folding, straightening, flattening, shearing, punching, notching or nibbling (excluding draw-benches); … heated metal by impact or by pressure, either to eliminate puddling slag (shingling) or to shape the metal. Except in …