Of you don't know how or what bleeding a radiator is, talk to your building maintenance person.
You don't want to get scalded or flood the room with hot water.
Not at all. You can set up an instance A then subscribe to a community another instance B and instance B will send all events in that community to you.
Now you have a local database with the comments and posts to mine data from.
Custom wall papers always for personal machines.
I use to have a monotone black wallpaper because I had weird game glitches when I had a wallpaper, but I don't play that game anymore so now I have one of the moon.