Okay, I'll admit it. It's a trick question, because of course there's no such thing as a perfect gear. There will always be manufacturing errors, inconsistencies and human error. Tools and machines wear down, so that the first gear you produce will always be different from the one hundredth.
COVID-19 has taken a huge toll on the world. It has affected — and continues to affect — virtually every aspect of life. But at least as far as the economy goes, the more people we talk to, and the more statistics we hear from reliable sources, the more we think maybe Bob Marley was onto something.
Suppliers are working hard to make
sure their heat treating equipment is controllable, repeatable and efficient,
and manufacturers continue to incorporate technology that gives heat treaters and their customers more information about what's going on inside the magic box.