When we start discussing this subject, I'm reminded of the old geezer in George Orwell's book "1984" who complains about not being able to buy a pint of beer- - -"Liters and 'arf-liters" only! I spent 30-something years trying to bring auto mechanics students into at least the 20th. Century, with varying degrees of success.

Once the initial aversion to accepting a different measurement system is overcome, metrics are so much easier and simpler to use- - - -everything is a multiple of 10!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!