For most students, measurement and GD&T is a new subject for them. I get the opportunity to review the basic concepts each year. Let's review some of the elements of geometric dimensioning and tolerancing.

I am in my tenth year as a part-time instructor at Western Michigan University, currently working with junior- and senior-level engineering students. I instruct the hands-on metrology lab of Dr. Pavel Ikonomov’s metrology class. We have about 15 weeks for this three-credit hour class to introduce metrology, focusing on precision measurement. We have about 45 students taking three hours of lecture and three hours of lab each week.

Today it is a vacant plot. Back in the early 1990s, a stamping plant was there, with three main buildings supplying North American automotive final assembly operations. I was an inspector working the second shift, assigned to a stamping line producing outer panels for an automotive door.