And you're only as deep as a Krakau prison yourself, aren't you? ['He's not going to understand what in the depths that means, Doc informs her. Mops makes a face and holds her fingers apart by about two inches.] They're amphibious. When they imprison each other the floors have at least this much water running across in a continuous stream to a drain.

Slightly higher on that side please - thanks. [Lucky she has Doc to calculate angles and doesn't need other tools to make sure it's level.] It's never a bad idea to diversify. I started out as a plumbing technician. That's an important position and I was never lacking in things to do, but one day we had a pest problem...

[She's familiarized herself with the handheld drill. It makes a faint, high pitched, zweeee! now, sending a vibration like a cat's purr through the material as she gets brackets placed and drilled.]