Although my professional truck-driving career was brief,
I did learn enough to do a nearly perfect double-clutch with
a non-synchromesh transmission, while driving up
a hill on a forest track, carrying a bunch of kids in the back
of a dumptruck--the tippable, flat-bed kind, not
one designed to squash garbage.
This talent (and general cautiousness) seemed sufficient
to garner a nominal association with the
Swift Transportation company as safety director.