We cannot cut the Groove size 0.1 (+ 0.02), because the wire cutting. We have a small 0.1 mm and must have a value of electric current in the wire-cutting journey again.
We can not cut grooves 0.1 (+0.02) because we have cut the wire used is 0.1mm, and the minimum size required for the passage of electric current in another wire.
We can't cut the groove size 0.1 (0.02) due to the wire used to cut small, we have finally 0.1mm and must value is of the electricity in the walking wire cutting.