The tire jockey is the second-dumbest guy in the shop- - - -just one rung up the ladder from the boss's high school dropout broom and mop technician nephew who can't make it bagging groceries at the local Wal-Mart. If he can be taught to mount and inflate truck tires without taking his own head off in the process, there's no reason why a reasonably intelligent stovebolter can't master the procedure with a little study and practice.
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!