#11 it is because we need to up our game and start sorting the trash properly before the recycling plants can fully start doing their thing. It doesn't take much contamination to make the recycled product unusable.

#2 is fairly clear. Don't touch the fire sprinkler head or it could go off. There are many instances of the trouble this can cause. https://viewfromthewing.com/hotel-guest-hangs-clothes-on-sprinkler-in-his-room-c
auses-690000-damage/

#10 The warning label is telling you that you're supposed to clean the filter after each use. You know, so sh#t like that won't happen. (also, fire bad...)