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. Oblique cutting (45 degree)