Did you use to be a US Army Standards Pilot by any chance?
Those dorks always asked questions like how many rivets in the tail boom....and such silly stuff.
Kinda like a Bristow checkride on a 206 one time.....after about an hour of questions we got down to ...what components are made of stainless steel.
Answer...."The shiny bits!"
Big frown on PG's face....then "Well what parts are made of Titanium?"
Answer...."The almost shiny bits!"
"You have a bad attitude Captain!"
"Guilty as Sin, Captain!"