Stealth's rear circular saw right off. Jeff tells John Kramer he forgives him before slicing his throat with a circular saw. All sawmills use rip saws of various types including the circular saw and band saw. The first circular saw she allegedly made is in Albany, New York. After resining, the stones are cut on a circular saw. For exterior shots, Frankel had to produce several elaborate props with a circular saw. He used the first circular saw in pencil production. Bernardo used his grandfather's circular saw to dismember Mahaffy. This version restores all of the gore scenes, including the infamous circular saw, beheading scene. The continuous slab is then cut to required lengths by a large diamond circular saw. Such devices typically resemble circular saw blades and are rotated at high speed. Usually the dicing is performed with a water-cooled circular saw with diamond-tipped teeth. The worm-drive portable circular saw was invented in 1923 by Edmond Michel. Modern circular saw blades have replaceable teeth, but still need to be hammered.