Me vs All Builders, Everywhere, For All Time

Right. You'll forgive me if I sound annoyed, but there is a man drilling holes into concrete directly over my head. This is loud, prevents me being able to answer any of the million phone calls I'm getting today, and occasionally causes plaster to drop from the ceiling, which doesn't improve the flavour of my coffee, despite what they might think upstairs. Gah.

Hmm. It's ok now. They've stopped. Only to take up frantic hammering. And bear-wrestling, to judge by the thudding and roaring. If only I had an inquisitive nature, I'd go upstairs and find out what they are actually doing. Instead, I'm going to sit here and waste my time and your time. My guess as to what they're actually doing upstairs is that they're botching something. Possibly quite badly. With uneven surfaces.