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1. Include a cooling point or make use of the ring-cutting feature. When cutting plates with sharp corners in sheet metal processing, the location where overburning is most likely to occur is frequently at the sharp corners of the plates being worked. Overburning will result in the sharp corners being cut into circular shapes. A cooling point can be added at this point to the sharp corners if necessary. Stopping at the sharp corners and blowing air can help to prevent overburning and other problems. Instead, the circular cutting fun... more