Salt and corrosion

Hello, f-list. So little has happened to me recently, I find myself with nothing to write. Not that that's stopped me in the past. Happily, an email arrived at work today, received by one of our doctors who has agreed to invigilate an exam. She sent it round for everyone to enjoy:

( Cut and pasted for your reading pleasure, typos and all )

You'll notice she received the email today, so no jellybeans were had on Saturday.