OCD in the retirement home can be a serious problem.
From the submitter:
The vacuum cleaner was missing those floor cleaning accessories, so I made my own with isolant tape and a box.
Oh, you didn't know it lifted up like that?
She's doing it all wrong, actually. It's much safer to remove the keyboard and really scrub those circuits. And be sure to use a mix of 2:1 Ammonia to Bleach for maximum effectiveness.