Back in the day, I worked at a major multinational as an electrical technician. One day, I noticed a Corning glass baking dish on an upper shelf, just sitting there, I asked one of the older guys what it was. "Oh, that's the mercury from one of these hygrometers. We can't figure out how to put it back in."

I have a few months-worth of mercury vapors to blame for my posts. Be gentle.