If you're a regular listener, you already know the deal — you work in this industry. You've spent your career in control rooms, on plant floors, in engineering offices, running calculations and managing processes that most of the world never thinks about. You know what a distillation column is.

But this episode is meant to be shared with a spouse, a parent, a kid, a friend — someone who's asked you "so what exactly do you do all day?" and you've struggled to explain it.