Implications of zone tolerance on zones that are not cylinders

[philderbeast]

Please discuss the implications of zone tolerance on zones that are not cylinders such as lines and semicircles. By how much does the line effectively move?

https://github.com/BlockScope/CIVL-GAP/blob/51af045ad52db1220172f4331a6b9267adf17296/sec-task-evaluation.tex#L32-L35