To anybody watching this, never use the term "thou" when talking about microns, this can be be a costly mistake. "1 Thou" is a term used by toolmakers to represent 1 thousandth of an inch.
It's the PC-DMIS for 2018. Its the CAD enabled Metrology Programming system, back in 2014 ish they were using MiCAT and shit like that. This is much more simple.