Proof that everything you learn in college is outside of the classroom.
It took him a while for him to understand why all the kids were laughing at him on his first day of engineering class. ~Not-So-Handy Andy
Ahh, those were the days...
Considering you have to piece it together yourself, this is probably a much more comfortable solution.
My first thought when I saw this was "where are they going to keep the beer?" Then I remembered, "oh right! They're in college, they don't have alcohol standards! Silly me!"
They learned their trade by carefully studying the Jawa Sandcrawler.