incisors
By cutting them with a cutting torch so that the receiver is in at least 3 pieces.
Cutting paper is an example of phisycal change.
Cutting a diameter four time will get you eight pieces of pie, not seven. You cannot get 7 pieces by cutting diameters only; for that you need to cut radii.
200 pieces.
dicing
Bisection.
Cut out pieces of a material from a sheet of that material. The pieces can be any shape because the die doing the cutting was custom machined to the required shape by a Tool and Die Maker.
You use straight pins to secure the pattern pieces to the fabric before cutting. Remember to remove the pins before sewing, however.
Industries that requires the fabrication of machine pieces or the cutting and shaping of a material, such as aerospace and mining, use water jet cutting.
DNA polymerase
Cutting them in half.
you can't vapourize an immortal you can destroy it by cutting it into pieces and vapourizing it