Well it is the correct term. It’s also funny

My time has come.

I’m what the aerospace industry calls a “surface enhancement engineer.” A fancy way of calling me a peener. I mostly work with CNC air blast shot peening machines but the principle is essentially the same as a ball peen hammer.

Basically, hitting metal with hard ball causes little dimples to form on the surface of your work piece. Hit it a shit load of times and you get dimples all over. At the end of the day all those dimples help prevent stress fractures from forming.

Honeywell Aerospace employee here. If you’ve ever flown with any major airline, there’s a very high chance the plane you were on had one of our auxiliary power units, which is basically a smaller turbine engine that starts the main engines and powers the electronics. We also make Christmas trees!

Throckmorton. Saw it in an example problem in my highschool physics textbook and I still think about it