There's been a circulator on a project I've been involved in but I've been too busy sorting out materials to find out what the sparkies were babbling about.
"'Circulator.' I should Google that before I start specifying finishes on it..."
"Dude, drop everything and look at this drawing. One of the grognards specified cadmium plating for the fasteners with a hex chrome treatment! Erin Brockovich found out and has a mob of lawyers at the door! ...why are you reading Wikipedia at a time like this?"
So, I got edumucated today between the article and comments. Thanks, folks.