The Dalek Ovens (as I call them) in Canberra, Australia, have a regular hourly cleaning cycle. You get plenty of warning to get out, and then they turn on the

The Dalek Ovens (as I call them) in Canberra, Australia, have a regular hourly cleaning cycle. You get plenty of warning to get out, and then they turn on the hoses. I presume it reduces their utility as a form of cheap housing.