I had to use the Arctic Sun, which is the temperature regulating machine for post-code patients, three times in the year and a half stint at my last department
(this is not a brag, there was a whole team of people working on each of these patients and I did nothing particularly heroic outside of compressions in any of them, but it's funny given the context and my general status as a white cloud)
and I googled the user manual my first time