When cutting sheet metal ... reach the end of the cut. Use a metal file to remove any sharp edges left after cutting metal. File in one direction. Repeat this process for a straight-cut line ...

A Milwaukee M18 Fuel® portable metal-cutting saw without battery retails for around $170. A throatless shear. “For $125 you can bolt it to a work bench, cut flat sheet steel up to 3/16-inch ...

but it’s safe to say that retrieving a sheet of metal from a can is a hazardous process. Cut fingers and jagged edges are never far away, so [Kevin Cheung]’s work in making an easy can cutter ...