I've been known to thrown back a beer or two, but not before using heavy machinery to build engines for cars.  Chrysler workers at the Trenton Engine plant were caught on tape by Fox 2's Rob Wolchek .

The workers would stop at a party store, then head to a park operated by, believe it or not, the U.A.W. to drink beer and smoke pot.  Check out the story after the jump.

[MyFoxDetroit.com]