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| 1. Roll slitting is a shearing operation that cuts a large roll of material into narrower rolls by unwound and run through the machine, passing through knives, before being rewound on one or more shafts to form narrower rolls.|
2. Cutting is when the roll of material is treated as a whole and one or more slices are taken from it without an unrolling/re-reeling process.
3. Cutting at 45 degree is used for bias binding or for angular quilt blocks or quilt patterns.