There were so many wires and electronics in the background and the water was floating everywhere! Nothing to worry?
http://www.youtube.com/watch?v=8Hj3GnPRsJ4
In short: Tissues of various sizes which can then be hanged somewhere and evaporate the water.
I guess not everything up there is special space stuff. Some of it is just the same stuff as in the local Grocery store.
The first half hour, I though "Cool" about pretty much everything, after that my head's starting to hurt thinking about all the things the astronauts need to know where is, what is, how it works, what to do.